Fuel taxes · EIA
Colorado state diesel taxes
FUELTAX_CO_DIESEL · ¢/gal · semiannual
35.68
¢/gal
as of 2026-07-01
- 1 week +1.00 +2.9%
- 1 month +1.00 +2.9%
- 1 year +1.00 +2.9%
- 5 years +13.61 +61.7%
2026 and 2025 by week of the year, against the 2021–2025 average and range.
| Latest | 35.68 ¢/gal | 2026-07-01 |
|---|---|---|
| Change, 1 week | +1.00 (+2.9%) | from 34.68 on 2026-01-01 |
| Change, 1 month | +1.00 (+2.9%) | from 34.68 on 2026-01-01 |
| Change, 1 year | +1.00 (+2.9%) | from 34.68 on 2025-07-01 |
| Change, 5 years | +13.61 (+61.7%) | from 22.06 on 2021-07-01 |
| 52-week high | 35.68 | 2026-07-01 |
| 52-week low | 34.68 | 2026-01-01 |
| 52-week average | 35.18 | |
| All-time high | 35.68 | 2026-07-01 |
| All-time low | 21.44 | 2019-01-01 |
| Percentile of history | 100% | share of all observations below the latest value |
| History | 24 | observations, 2015-01-01 to 2026-07-01 |
The latest 24 observations. Download the full history as CSV (sign-in required).
| Date | Value (¢/gal) | Change |
|---|---|---|
| 2026-07-01 | 35.68 | +1.00 |
| 2026-01-01 | 34.68 | 0.00 |
| 2025-07-01 | 34.68 | +4.00 |
| 2025-01-01 | 30.68 | 0.00 |
| 2024-07-01 | 30.68 | +2.63 |
| 2024-01-01 | 28.05 | +0.61 |
| 2023-07-01 | 27.44 | +3.69 |
| 2023-01-01 | 23.75 | 0.00 |
| 2022-07-01 | 23.75 | +1.69 |
| 2022-01-01 | 22.06 | 0.00 |
| 2021-07-01 | 22.06 | 0.00 |
| 2021-01-01 | 22.06 | +0.31 |
| 2020-07-01 | 21.75 | 0.00 |
| 2020-01-01 | 21.75 | +0.31 |
| 2019-07-01 | 21.44 | 0.00 |
| 2019-01-01 | 21.44 | -0.31 |
| 2018-07-01 | 21.75 | 0.00 |
| 2018-01-01 | 21.75 | +0.31 |
| 2017-07-01 | 21.44 | -0.31 |
| 2017-01-01 | 21.75 | 0.00 |
| 2016-07-01 | 21.75 | 0.00 |
| 2016-01-01 | 21.75 | 0.00 |
| 2015-07-01 | 21.75 | 0.00 |
| 2015-01-01 | 21.75 | — |
Colorado: state excise plus other state taxes and fees on diesel, cents per gallon, in effect each January 1 and July 1; before federal (18.4 / 24.4 cents) and county or city taxes. EIA, Federal and state motor fuels taxes.
| Source | U.S. Energy Information Administration |
|---|---|
| Licence | Public domain (U.S. government work). |
| Series code | FUELTAX_CO_DIESEL |
| Category | Fuel taxes · fuel_taxes |
| Cite as | EIA, Colorado state diesel taxes (FUELTAX_CO_DIESEL), Thinking On Energy Data Explorer. https://thinkingonenergy.com/data/FUELTAX_CO_DIESEL/, accessed 2026-11-01. |
| For AI tools | Markdown summary |
Series are stored locally as they are published and refreshed on each source’s schedule. EIA and CFTC data are U.S. government works in the public domain; other sources are credited on each series page. Derived series are calculated by NewTide from the source data shown.