What Gas Costs
and Why
An independent guide to the price at the pumpData release · 30 September 2026

The evidence behind the price

California: what changed?

Dated inputs, measured movements and the limits of each comparison.

Why prices changed

Gasoline / petrol

A matching publisher and a 6–10 day comparison are required.

Diesel

A matching publisher and a 6–10 day comparison are required.

Reporting around these observation dates

Source headlines provide context. Their presence does not establish what caused the price movement.

No matching source reports are available for this observation interval.

Oil fell. Did the pump follow?

Gasoline / petrol

Does local crude movement line up more closely with pump changes in the same week or later? This compares weekly changes at delays of 0 to 8 weeks over up to five years, using the latest continuous publisher and currency segment.

Pump price and local-currency crude, indexed to 1002026-09-30 to 2026-09-30. Navy is pump price; teal is crude. A data table follows.02754811082026-09-302026-09-30Pump price (navy) · Crude in local currency (teal) · First paired date = 100
Relative movements, not a breakdown of pump costs. Crude is a proxy, not wholesale fuel.
Chart data and publishers (1 observations)
DatePump, USD/LCrude proxy, local / LPublisher
2026-09-301.6880.723AAA state gas price averages

0 compatible weekly changes; at least 52 are required for lag analysis.

At least 52 compatible weekly changes are needed; each correlation needs 12 pairs and variation in both series. Joins allow one day of reporting-date variation. Missing weeks are not filled. Each later pump change covers one week, not a cumulative response. Correlation does not measure a causal pass-through delay or prove that rises travel faster than falls. No forecast is implied. Benchmark and FX inputs are no more than 10 days old and never from a future date.

Diesel

Does local crude movement line up more closely with pump changes in the same week or later? This compares weekly changes at delays of 0 to 8 weeks over up to five years, using the latest continuous publisher and currency segment.

Pump price and local-currency crude, indexed to 1002026-09-30 to 2026-09-30. Navy is pump price; teal is crude. A data table follows.02754811082026-09-302026-09-30Pump price (navy) · Crude in local currency (teal) · First paired date = 100
Relative movements, not a breakdown of pump costs. Crude is a proxy, not wholesale fuel.
Chart data and publishers (1 observations)
DatePump, USD/LCrude proxy, local / LPublisher
2026-09-302.2170.723AAA state gas price averages

0 compatible weekly changes; at least 52 are required for lag analysis.

At least 52 compatible weekly changes are needed; each correlation needs 12 pairs and variation in both series. Joins allow one day of reporting-date variation. Missing weeks are not filled. Each later pump change covers one week, not a cumulative response. Correlation does not measure a causal pass-through delay or prove that rises travel faster than falls. No forecast is implied. Benchmark and FX inputs are no more than 10 days old and never from a future date.

Policy dates alongside prices

Gasoline / petrol
USD per litre, with policy event dates2021-10-11 to 2026-09-30. Dashed lines mark verified policy events; they do not establish causation. A data table follows.0.000.460.911.371.822021-10-112026-09-30US Energy Information Administration · USD/L
No curated policy events fall within the displayed price history.
Chart data and publishers (260 observations)
DatePump, USD/LPublisher
2021-10-111.127US Energy Information Administration
2021-10-181.146US Energy Information Administration
2021-10-251.161US Energy Information Administration
2021-11-011.173US Energy Information Administration
2021-11-081.182US Energy Information Administration
2021-11-151.197US Energy Information Administration
2021-11-221.202US Energy Information Administration
2021-11-291.203US Energy Information Administration
2021-12-061.197US Energy Information Administration
2021-12-131.192US Energy Information Administration
2021-12-201.190US Energy Information Administration
2021-12-271.185US Energy Information Administration
2022-01-031.189US Energy Information Administration
2022-01-101.190US Energy Information Administration
2022-01-171.188US Energy Information Administration
2022-01-241.185US Energy Information Administration
2022-01-311.186US Energy Information Administration
2022-02-071.191US Energy Information Administration
2022-02-141.195US Energy Information Administration
2022-02-211.207US Energy Information Administration
2022-02-281.234US Energy Information Administration
2022-03-071.370US Energy Information Administration
2022-03-141.476US Energy Information Administration
2022-03-211.508US Energy Information Administration
2022-03-281.523US Energy Information Administration
2022-04-041.509US Energy Information Administration
2022-04-111.484US Energy Information Administration
2022-04-181.465US Energy Information Administration
2022-04-251.457US Energy Information Administration
2022-05-021.460US Energy Information Administration
2022-05-091.494US Energy Information Administration
2022-05-161.530US Energy Information Administration
2022-05-231.560US Energy Information Administration
2022-05-301.583US Energy Information Administration
2022-06-061.632US Energy Information Administration
2022-06-131.657US Energy Information Administration
2022-06-201.642US Energy Information Administration
2022-06-271.621US Energy Information Administration
2022-07-041.596US Energy Information Administration
2022-07-111.559US Energy Information Administration
2022-07-181.508US Energy Information Administration
2022-07-251.472US Energy Information Administration
2022-08-011.446US Energy Information Administration
2022-08-081.400US Energy Information Administration
2022-08-151.378US Energy Information Administration
2022-08-221.359US Energy Information Administration
2022-08-291.337US Energy Information Administration
2022-09-051.335US Energy Information Administration
2022-09-121.369US Energy Information Administration
2022-09-191.384US Energy Information Administration
2022-09-261.483US Energy Information Administration
2022-10-031.641US Energy Information Administration
2022-10-101.626US Energy Information Administration
2022-10-171.545US Energy Information Administration
2022-10-241.453US Energy Information Administration
2022-10-311.403US Energy Information Administration
2022-11-071.381US Energy Information Administration
2022-11-141.376US Energy Information Administration
2022-11-211.330US Energy Information Administration
2022-11-281.271US Energy Information Administration
2022-12-051.206US Energy Information Administration
2022-12-121.150US Energy Information Administration
2022-12-191.109US Energy Information Administration
2022-12-261.098US Energy Information Administration
2023-01-021.114US Energy Information Administration
2023-01-091.117US Energy Information Administration
2023-01-161.122US Energy Information Administration
2023-01-231.130US Energy Information Administration
2023-01-301.151US Energy Information Administration
2023-02-061.166US Energy Information Administration
2023-02-131.170US Energy Information Administration
2023-02-201.194US Energy Information Administration
2023-02-271.211US Energy Information Administration
2023-03-061.243US Energy Information Administration
2023-03-131.250US Energy Information Administration
2023-03-201.230US Energy Information Administration
2023-03-271.224US Energy Information Administration
2023-04-031.222US Energy Information Administration
2023-04-101.237US Energy Information Administration
2023-04-171.248US Energy Information Administration
2023-04-241.240US Energy Information Administration
2023-05-011.231US Energy Information Administration
2023-05-081.225US Energy Information Administration
2023-05-151.219US Energy Information Administration
2023-05-221.218US Energy Information Administration
2023-05-291.227US Energy Information Administration
2023-06-051.228US Energy Information Administration
2023-06-121.244US Energy Information Administration
2023-06-191.239US Energy Information Administration
2023-06-261.228US Energy Information Administration
2023-07-031.229US Energy Information Administration
2023-07-101.235US Energy Information Administration
2023-07-171.247US Energy Information Administration
2023-07-241.244US Energy Information Administration
2023-07-311.275US Energy Information Administration
2023-08-071.295US Energy Information Administration
2023-08-141.316US Energy Information Administration
2023-08-211.348US Energy Information Administration
2023-08-281.349US Energy Information Administration
2023-09-041.359US Energy Information Administration
2023-09-111.388US Energy Information Administration
2023-09-181.466US Energy Information Administration
2023-09-251.506US Energy Information Administration
2023-10-021.559US Energy Information Administration
2023-10-091.480US Energy Information Administration
2023-10-161.426US Energy Information Administration
2023-10-231.380US Energy Information Administration
2023-10-301.338US Energy Information Administration
2023-11-061.306US Energy Information Administration
2023-11-131.287US Energy Information Administration
2023-11-201.260US Energy Information Administration
2023-11-271.247US Energy Information Administration
2023-12-041.214US Energy Information Administration
2023-12-111.177US Energy Information Administration
2023-12-181.152US Energy Information Administration
2023-12-251.155US Energy Information Administration
2024-01-011.183US Energy Information Administration
2024-01-081.178US Energy Information Administration
2024-01-151.146US Energy Information Administration
2024-01-221.129US Energy Information Administration
2024-01-291.134US Energy Information Administration
2024-02-051.153US Energy Information Administration
2024-02-121.168US Energy Information Administration
2024-02-191.180US Energy Information Administration
2024-02-261.173US Energy Information Administration
2024-03-041.229US Energy Information Administration
2024-03-111.240US Energy Information Administration
2024-03-181.251US Energy Information Administration
2024-03-251.268US Energy Information Administration
2024-04-011.295US Energy Information Administration
2024-04-081.358US Energy Information Administration
2024-04-151.392US Energy Information Administration
2024-04-221.383US Energy Information Administration
2024-04-291.366US Energy Information Administration
2024-05-061.352US Energy Information Administration
2024-05-131.333US Energy Information Administration
2024-05-201.312US Energy Information Administration
2024-05-271.292US Energy Information Administration
2024-06-031.270US Energy Information Administration
2024-06-101.236US Energy Information Administration
2024-06-171.215US Energy Information Administration
2024-06-241.206US Energy Information Administration
2024-07-011.197US Energy Information Administration
2024-07-081.198US Energy Information Administration
2024-07-151.185US Energy Information Administration
2024-07-221.170US Energy Information Administration
2024-07-291.154US Energy Information Administration
2024-08-051.150US Energy Information Administration
2024-08-121.144US Energy Information Administration
2024-08-191.141US Energy Information Administration
2024-08-261.143US Energy Information Administration
2024-09-021.164US Energy Information Administration
2024-09-091.176US Energy Information Administration
2024-09-161.193US Energy Information Administration
2024-09-231.186US Energy Information Administration
2024-09-301.166US Energy Information Administration
2024-10-071.164US Energy Information Administration
2024-10-141.170US Energy Information Administration
2024-10-211.164US Energy Information Administration
2024-10-281.143US Energy Information Administration
2024-11-041.134US Energy Information Administration
2024-11-111.124US Energy Information Administration
2024-11-181.108US Energy Information Administration
2024-11-251.110US Energy Information Administration
2024-12-021.103US Energy Information Administration
2024-12-091.094US Energy Information Administration
2024-12-161.082US Energy Information Administration
2024-12-231.082US Energy Information Administration
2024-12-301.084US Energy Information Administration
2025-01-061.097US Energy Information Administration
2025-01-131.099US Energy Information Administration
2025-01-201.113US Energy Information Administration
2025-01-271.115US Energy Information Administration
2025-02-031.124US Energy Information Administration
2025-02-101.160US Energy Information Administration
2025-02-171.216US Energy Information Administration
2025-02-241.217US Energy Information Administration
2025-03-031.197US Energy Information Administration
2025-03-101.184US Energy Information Administration
2025-03-171.171US Energy Information Administration
2025-03-241.167US Energy Information Administration
2025-03-311.211US Energy Information Administration
2025-04-071.250US Energy Information Administration
2025-04-141.233US Energy Information Administration
2025-04-211.219US Energy Information Administration
2025-04-281.212US Energy Information Administration
2025-05-051.203US Energy Information Administration
2025-05-121.228US Energy Information Administration
2025-05-191.239US Energy Information Administration
2025-05-261.222US Energy Information Administration
2025-06-021.202US Energy Information Administration
2025-06-091.183US Energy Information Administration
2025-06-161.169US Energy Information Administration
2025-06-231.174US Energy Information Administration
2025-06-301.152US Energy Information Administration
2025-07-071.143US Energy Information Administration
2025-07-141.131US Energy Information Administration
2025-07-211.125US Energy Information Administration
2025-07-281.119US Energy Information Administration
2025-08-041.128US Energy Information Administration
2025-08-111.127US Energy Information Administration
2025-08-181.128US Energy Information Administration
2025-08-251.150US Energy Information Administration
2025-09-011.162US Energy Information Administration
2025-09-081.168US Energy Information Administration
2025-09-151.180US Energy Information Administration
2025-09-221.180US Energy Information Administration
2025-09-291.175US Energy Information Administration
2025-10-061.176US Energy Information Administration
2025-10-131.177US Energy Information Administration
2025-10-201.169US Energy Information Administration
2025-10-271.151US Energy Information Administration
2025-11-031.171US Energy Information Administration
2025-11-101.189US Energy Information Administration
2025-11-171.182US Energy Information Administration
2025-11-241.163US Energy Information Administration
2025-12-011.151US Energy Information Administration
2025-12-081.129US Energy Information Administration
2025-12-151.100US Energy Information Administration
2025-12-221.077US Energy Information Administration
2025-12-291.068US Energy Information Administration
2026-01-051.066US Energy Information Administration
2026-01-121.051US Energy Information Administration
2026-01-191.051US Energy Information Administration
2026-01-261.067US Energy Information Administration
2026-02-021.103US Energy Information Administration
2026-02-091.140US Energy Information Administration
2026-02-161.167US Energy Information Administration
2026-02-231.173US Energy Information Administration
2026-03-021.182US Energy Information Administration
2026-03-091.345US Energy Information Administration
2026-03-161.422US Energy Information Administration
2026-03-231.493US Energy Information Administration
2026-03-301.509US Energy Information Administration
2026-04-061.524US Energy Information Administration
2026-04-131.514US Energy Information Administration
2026-04-201.492US Energy Information Administration
2026-04-271.528US Energy Information Administration
2026-05-041.574US Energy Information Administration
2026-05-111.577US Energy Information Administration
2026-05-181.574US Energy Information Administration
2026-05-251.562US Energy Information Administration
2026-06-011.546US Energy Information Administration
2026-06-081.505US Energy Information Administration
2026-06-151.467US Energy Information Administration
2026-06-221.423US Energy Information Administration
2026-06-291.386US Energy Information Administration
2026-07-061.367US Energy Information Administration
2026-07-131.374US Energy Information Administration
2026-07-201.414US Energy Information Administration
2026-07-271.450US Energy Information Administration
2026-08-031.452US Energy Information Administration
2026-08-101.434US Energy Information Administration
2026-08-171.426US Energy Information Administration
2026-08-241.440US Energy Information Administration
2026-08-311.458US Energy Information Administration
2026-09-101.558AAA state gas price averages
2026-09-141.539US Energy Information Administration
2026-09-211.586US Energy Information Administration
2026-09-301.688AAA state gas price averages

No legal policy events have been curated for this region yet. This is not evidence that policy has been unchanged.

Event coverage is selective. Source tax-rate snapshots are not automatically treated as legal changes. Upcoming recorded tax dates · All regional tax records

Diesel
USD per litre, with policy event dates2021-10-11 to 2026-09-30. Dashed lines mark verified policy events; they do not establish causation. A data table follows.0.000.601.201.802.392021-10-112026-09-30US Energy Information Administration · USD/L
No curated policy events fall within the displayed price history.
Chart data and publishers (260 observations)
DatePump, USD/LPublisher
2021-10-111.169US Energy Information Administration
2021-10-181.197US Energy Information Administration
2021-10-251.215US Energy Information Administration
2021-11-011.229US Energy Information Administration
2021-11-081.242US Energy Information Administration
2021-11-151.260US Energy Information Administration
2021-11-221.264US Energy Information Administration
2021-11-291.273US Energy Information Administration
2021-12-061.265US Energy Information Administration
2021-12-131.261US Energy Information Administration
2021-12-201.260US Energy Information Administration
2021-12-271.260US Energy Information Administration
2022-01-031.257US Energy Information Administration
2022-01-101.263US Energy Information Administration
2022-01-171.265US Energy Information Administration
2022-01-241.274US Energy Information Administration
2022-01-311.284US Energy Information Administration
2022-02-071.307US Energy Information Administration
2022-02-141.319US Energy Information Administration
2022-02-211.334US Energy Information Administration
2022-02-281.341US Energy Information Administration
2022-03-071.521US Energy Information Administration
2022-03-141.655US Energy Information Administration
2022-03-211.643US Energy Information Administration
2022-03-281.661US Energy Information Administration
2022-04-041.661US Energy Information Administration
2022-04-111.644US Energy Information Administration
2022-04-181.651US Energy Information Administration
2022-04-251.658US Energy Information Administration
2022-05-021.694US Energy Information Administration
2022-05-091.707US Energy Information Administration
2022-05-161.711US Energy Information Administration
2022-05-231.718US Energy Information Administration
2022-05-301.728US Energy Information Administration
2022-06-061.805US Energy Information Administration
2022-06-131.819US Energy Information Administration
2022-06-201.827US Energy Information Administration
2022-06-271.813US Energy Information Administration
2022-07-041.791US Energy Information Administration
2022-07-111.761US Energy Information Administration
2022-07-181.721US Energy Information Administration
2022-07-251.688US Energy Information Administration
2022-08-011.655US Energy Information Administration
2022-08-081.611US Energy Information Administration
2022-08-151.590US Energy Information Administration
2022-08-221.593US Energy Information Administration
2022-08-291.638US Energy Information Administration
2022-09-051.631US Energy Information Administration
2022-09-121.628US Energy Information Administration
2022-09-191.624US Energy Information Administration
2022-09-261.614US Energy Information Administration
2022-10-031.605US Energy Information Administration
2022-10-101.714US Energy Information Administration
2022-10-171.717US Energy Information Administration
2022-10-241.672US Energy Information Administration
2022-10-311.652US Energy Information Administration
2022-11-071.635US Energy Information Administration
2022-11-141.633US Energy Information Administration
2022-11-211.613US Energy Information Administration
2022-11-281.587US Energy Information Administration
2022-12-051.536US Energy Information Administration
2022-12-121.469US Energy Information Administration
2022-12-191.436US Energy Information Administration
2022-12-261.430US Energy Information Administration
2023-01-021.444US Energy Information Administration
2023-01-091.439US Energy Information Administration
2023-01-161.434US Energy Information Administration
2023-01-231.449US Energy Information Administration
2023-01-301.455US Energy Information Administration
2023-02-061.448US Energy Information Administration
2023-02-131.438US Energy Information Administration
2023-02-201.428US Energy Information Administration
2023-02-271.415US Energy Information Administration
2023-03-061.404US Energy Information Administration
2023-03-131.403US Energy Information Administration
2023-03-201.390US Energy Information Administration
2023-03-271.364US Energy Information Administration
2023-04-031.333US Energy Information Administration
2023-04-101.318US Energy Information Administration
2023-04-171.311US Energy Information Administration
2023-04-241.310US Energy Information Administration
2023-05-011.295US Energy Information Administration
2023-05-081.280US Energy Information Administration
2023-05-151.275US Energy Information Administration
2023-05-221.275US Energy Information Administration
2023-05-291.271US Energy Information Administration
2023-06-051.259US Energy Information Administration
2023-06-121.255US Energy Information Administration
2023-06-191.261US Energy Information Administration
2023-06-261.255US Energy Information Administration
2023-07-031.258US Energy Information Administration
2023-07-101.274US Energy Information Administration
2023-07-171.281US Energy Information Administration
2023-07-241.306US Energy Information Administration
2023-07-311.363US Energy Information Administration
2023-08-071.410US Energy Information Administration
2023-08-141.458US Energy Information Administration
2023-08-211.462US Energy Information Administration
2023-08-281.500US Energy Information Administration
2023-09-041.532US Energy Information Administration
2023-09-111.577US Energy Information Administration
2023-09-181.636US Energy Information Administration
2023-09-251.640US Energy Information Administration
2023-10-021.656US Energy Information Administration
2023-10-091.632US Energy Information Administration
2023-10-161.616US Energy Information Administration
2023-10-231.589US Energy Information Administration
2023-10-301.556US Energy Information Administration
2023-11-061.536US Energy Information Administration
2023-11-131.506US Energy Information Administration
2023-11-201.490US Energy Information Administration
2023-11-271.474US Energy Information Administration
2023-12-041.448US Energy Information Administration
2023-12-111.418US Energy Information Administration
2023-12-181.382US Energy Information Administration
2023-12-251.374US Energy Information Administration
2024-01-011.369US Energy Information Administration
2024-01-081.361US Energy Information Administration
2024-01-151.358US Energy Information Administration
2024-01-221.345US Energy Information Administration
2024-01-291.341US Energy Information Administration
2024-02-051.353US Energy Information Administration
2024-02-121.387US Energy Information Administration
2024-02-191.389US Energy Information Administration
2024-02-261.380US Energy Information Administration
2024-03-041.381US Energy Information Administration
2024-03-111.376US Energy Information Administration
2024-03-181.374US Energy Information Administration
2024-03-251.380US Energy Information Administration
2024-04-011.379US Energy Information Administration
2024-04-081.389US Energy Information Administration
2024-04-151.388US Energy Information Administration
2024-04-221.385US Energy Information Administration
2024-04-291.378US Energy Information Administration
2024-05-061.362US Energy Information Administration
2024-05-131.353US Energy Information Administration
2024-05-201.334US Energy Information Administration
2024-05-271.317US Energy Information Administration
2024-06-031.312US Energy Information Administration
2024-06-101.297US Energy Information Administration
2024-06-171.298US Energy Information Administration
2024-06-241.298US Energy Information Administration
2024-07-011.298US Energy Information Administration
2024-07-081.309US Energy Information Administration
2024-07-151.303US Energy Information Administration
2024-07-221.288US Energy Information Administration
2024-07-291.276US Energy Information Administration
2024-08-051.274US Energy Information Administration
2024-08-121.258US Energy Information Administration
2024-08-191.252US Energy Information Administration
2024-08-261.243US Energy Information Administration
2024-09-021.255US Energy Information Administration
2024-09-091.252US Energy Information Administration
2024-09-161.250US Energy Information Administration
2024-09-231.249US Energy Information Administration
2024-09-301.247US Energy Information Administration
2024-10-071.253US Energy Information Administration
2024-10-141.251US Energy Information Administration
2024-10-211.241US Energy Information Administration
2024-10-281.237US Energy Information Administration
2024-11-041.237US Energy Information Administration
2024-11-111.233US Energy Information Administration
2024-11-181.231US Energy Information Administration
2024-11-251.232US Energy Information Administration
2024-12-021.229US Energy Information Administration
2024-12-091.221US Energy Information Administration
2024-12-161.214US Energy Information Administration
2024-12-231.210US Energy Information Administration
2024-12-301.209US Energy Information Administration
2025-01-061.220US Energy Information Administration
2025-01-131.246US Energy Information Administration
2025-01-201.270US Energy Information Administration
2025-01-271.266US Energy Information Administration
2025-02-031.265US Energy Information Administration
2025-02-101.267US Energy Information Administration
2025-02-171.278US Energy Information Administration
2025-02-241.288US Energy Information Administration
2025-03-031.281US Energy Information Administration
2025-03-101.270US Energy Information Administration
2025-03-171.259US Energy Information Administration
2025-03-241.262US Energy Information Administration
2025-03-311.262US Energy Information Administration
2025-04-071.275US Energy Information Administration
2025-04-141.267US Energy Information Administration
2025-04-211.256US Energy Information Administration
2025-04-281.252US Energy Information Administration
2025-05-051.249US Energy Information Administration
2025-05-121.257US Energy Information Administration
2025-05-191.277US Energy Information Administration
2025-05-261.270US Energy Information Administration
2025-06-021.260US Energy Information Administration
2025-06-091.252US Energy Information Administration
2025-06-161.263US Energy Information Administration
2025-06-231.293US Energy Information Administration
2025-06-301.285US Energy Information Administration
2025-07-071.292US Energy Information Administration
2025-07-141.303US Energy Information Administration
2025-07-211.311US Energy Information Administration
2025-07-281.310US Energy Information Administration
2025-08-041.307US Energy Information Administration
2025-08-111.292US Energy Information Administration
2025-08-181.287US Energy Information Administration
2025-08-251.287US Energy Information Administration
2025-09-011.298US Energy Information Administration
2025-09-081.310US Energy Information Administration
2025-09-151.313US Energy Information Administration
2025-09-221.317US Energy Information Administration
2025-09-291.316US Energy Information Administration
2025-10-061.313US Energy Information Administration
2025-10-131.305US Energy Information Administration
2025-10-201.294US Energy Information Administration
2025-10-271.303US Energy Information Administration
2025-11-031.303US Energy Information Administration
2025-11-101.318US Energy Information Administration
2025-11-171.320US Energy Information Administration
2025-11-241.316US Energy Information Administration
2025-12-011.299US Energy Information Administration
2025-12-081.284US Energy Information Administration
2025-12-151.263US Energy Information Administration
2025-12-221.245US Energy Information Administration
2025-12-291.231US Energy Information Administration
2026-01-051.226US Energy Information Administration
2026-01-121.219US Energy Information Administration
2026-01-191.231US Energy Information Administration
2026-01-261.245US Energy Information Administration
2026-02-021.276US Energy Information Administration
2026-02-091.280US Energy Information Administration
2026-02-161.284US Energy Information Administration
2026-02-231.306US Energy Information Administration
2026-03-021.318US Energy Information Administration
2026-03-091.610US Energy Information Administration
2026-03-161.698US Energy Information Administration
2026-03-231.815US Energy Information Administration
2026-03-301.907US Energy Information Administration
2026-04-061.999US Energy Information Administration
2026-04-131.997US Energy Information Administration
2026-04-201.935US Energy Information Administration
2026-04-271.909US Energy Information Administration
2026-05-041.944US Energy Information Administration
2026-05-111.934US Energy Information Administration
2026-05-181.908US Energy Information Administration
2026-05-251.897US Energy Information Administration
2026-06-011.863US Energy Information Administration
2026-06-081.833US Energy Information Administration
2026-06-151.773US Energy Information Administration
2026-06-221.709US Energy Information Administration
2026-06-291.633US Energy Information Administration
2026-07-061.604US Energy Information Administration
2026-07-131.618US Energy Information Administration
2026-07-201.709US Energy Information Administration
2026-07-271.762US Energy Information Administration
2026-08-031.774US Energy Information Administration
2026-08-101.748US Energy Information Administration
2026-08-171.792US Energy Information Administration
2026-08-241.860US Energy Information Administration
2026-08-311.907US Energy Information Administration
2026-09-102.090AAA state gas price averages
2026-09-142.124US Energy Information Administration
2026-09-212.178US Energy Information Administration
2026-09-302.217AAA state gas price averages

No legal policy events have been curated for this region yet. This is not evidence that policy has been unchanged.

Event coverage is selective. Source tax-rate snapshots are not automatically treated as legal changes. Upcoming recorded tax dates · All regional tax records

Source receipts

Gasoline / petrol

Publisher: AAA state gas price averages. Observation: 2026-09-30. Last successful publisher refresh: 2026-09-30 07:39:46 UTC. Observation ingestion: 2026-09-30 07:39:46 UTC.

Original value: 6.3905 USD USD/gal. Display: 1.688192 USD/L. Method: unavailable.

Crude input
Brent 114.89 USD/barrel, 2026-09-22
Display currency FX
USD_USD 1, 2026-09-30
Source currency FX
USD_USD 1, 2026-09-30
Reuse terms
AAA Fuel Prices, all rights reserved. Publicly displayed state averages; retain attribution. Not EIA public-domain data.

Derived method: crude = USD/barrel / 158.987 * local currency/USD; yield factor 1.0; downstream = price - taxes - crude. Currency conversion uses display FX / source FX; US gallons convert at 3.785411784 L. Missing inputs are never zero. Benchmark availability alone does not imply a complete component breakdown. Full methodology.

Download receipts and calculation inputs · Historical observations

Publication and revision history (3 saved versions)

Tracking begins with this feature’s first export. A new observation is a publication; a changed value for the same observation date is a revision. This is our publication history, not a complete publisher revision archive. At most 30 versions per fuel are shown; the canonical database retains all recorded versions.

Recorded (UTC)ObservationPrice / LVersion
2026-09-30T07:44:55.457373Z2026-09-301.688192 USD0f535184fe86
2026-09-29T13:02:15Z2026-09-141.585349 USD6b03326384f4
2026-09-23T06:02:25Z2026-09-141.585349 USDe8b842f479e5
Diesel

Publisher: AAA state gas price averages. Observation: 2026-09-30. Last successful publisher refresh: 2026-09-30 07:39:46 UTC. Observation ingestion: 2026-09-30 07:39:46 UTC.

Original value: 8.3911 USD USD/gal. Display: 2.216694 USD/L. Method: unavailable.

Crude input
Brent 114.89 USD/barrel, 2026-09-22
Display currency FX
USD_USD 1, 2026-09-30
Source currency FX
USD_USD 1, 2026-09-30
Reuse terms
AAA Fuel Prices, all rights reserved. Publicly displayed state averages; retain attribution. Not EIA public-domain data.

Derived method: crude = USD/barrel / 158.987 * local currency/USD; yield factor 1.0; downstream = price - taxes - crude. Currency conversion uses display FX / source FX; US gallons convert at 3.785411784 L. Missing inputs are never zero. Benchmark availability alone does not imply a complete component breakdown. Full methodology.

Download receipts and calculation inputs · Historical observations

Publication and revision history (3 saved versions)

Tracking begins with this feature’s first export. A new observation is a publication; a changed value for the same observation date is a revision. This is our publication history, not a complete publisher revision archive. At most 30 versions per fuel are shown; the canonical database retains all recorded versions.

Recorded (UTC)ObservationPrice / LVersion
2026-09-30T07:44:55.463096Z2026-09-302.216694 USD0393809c3b19
2026-09-29T13:02:15Z2026-09-142.154165 USD823852435a3b
2026-09-23T06:02:25Z2026-09-142.154165 USD4df778635561

California price overview · Embed this region’s chart