Wyoming Gas Tax (2026)

Info: 24.0 cents/gallon state gasoline tax (23c excise + 1c license/cleanup fee); excludes the 18.4c federal tax.

InfoVerified May 31, 2026

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Official source: dot.state.wy.us →

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

Gas Tax in states bordering Wyoming

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

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 →
MontanaInfo
33.0 cents/gallon state gasoline tax (unchanged); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: mdt.mt.gov · Full Montana 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 →
South DakotaInfo
30.0 cents/gallon in state taxes & fees (28c excise + 2c tank-inspection fee); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: dor.sd.gov · Full South Dakota 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 →

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