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Colorado Gas Tax (2026)

Info: About 30.2 cents/gallon in total state taxes and fees on regular gasoline: 22c excise + 6c road-usage fee (stepped up July 1, 2026) + about 2.2c in environmental, PFAS and fuel-impact fees (excludes the 18.4c federal tax).

InfoVerified Jul 5, 2026

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Official source: tax.colorado.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Gas Tax in states bordering Colorado

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

ArizonaPermitted
State gasoline (motor vehicle fuel) tax is 18 cents/gallon (A.R.S. § 28-5606); heavy 'use class' vehicles pay 26 cents/gallon. A separate 1 cent/gallon underground storage tank tax (A.R.S. § 49-1031) brings the pump total to about 19 cents/gallon (excludes the 18.4 cent federal tax).
Verified Jul 3, 2026 · Source: azleg.gov · Full Arizona rule →
KansasInfo
About 25 cents/gallon state gasoline tax (24c excise + ~1c fees), excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: ksrevenue.gov · Full Kansas rule →
NebraskaInfo
31.8 cents/gallon state motor-fuel tax (set for Jan–Jun 2026; adjusts semiannually); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: revenue.nebraska.gov · Full Nebraska rule →
New MexicoPermitted
18.9 cents/gallon state gasoline tax (17c excise + ~1c+ petroleum loading fee); excludes the 18.4c federal tax.
Verified Aug 2, 2026 · Source: tax.newmexico.gov · Full New Mexico rule →
OklahomaPermitted
20.0 cents/gallon state gasoline tax for 2026 (19c excise + 1c underground-storage-tank fee); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: oklahoma.gov · Full Oklahoma rule →
UtahInfo
31.9 cents/gallon state motor-fuel tax in effect July 1-Dec 31, 2026 - temporarily reduced from the 37.9c rate that applied Jan 1-Jun 30, 2026, per the Utah State Tax Commission rate table (listed as a separate Jul-Dec 2026 rate). Excludes the 18.4c federal tax.
Verified Jul 2, 2026 · Source: tax.utah.gov · Full Utah rule →
WyomingInfo
24.0 cents/gallon state gasoline tax (23c excise + 1c license/cleanup fee); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: dot.state.wy.us · Full Wyoming rule →

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