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Utah Gas Tax (2026)

Info: 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).

InfoVerified Jul 2, 2026

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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.

Official source: tax.utah.gov →

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

Gas Tax in states bordering Utah

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 →
ColoradoInfo
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).
Verified Jul 5, 2026 · Source: tax.colorado.gov · Full Colorado rule →
IdahoInfo
About 33 cents/gallon state gasoline tax (32c excise + 1c petroleum transfer fee), excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: tax.idaho.gov · Full Idaho rule →
NevadaInfo
23.81 cents/gallon in statewide gasoline taxes and fees (23c state excise + 0.75c cleanup fee + 0.055c inspection fee); counties add option and indexed taxes — for FY27 (from July 1, 2026) county-added taxes total ~39.8c in Clark and ~67.8c in Washoe. Excludes the 18.4c federal tax.
Verified Jul 16, 2026 · Source: dmv.nv.gov · Full Nevada 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 →
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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