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Oklahoma Gas Tax (2026)

Permitted: 20.0 cents/gallon state gasoline tax for 2026 (19c excise + 1c underground-storage-tank fee); excludes the 18.4c federal tax.

PermittedVerified May 31, 2026

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Official source: oklahoma.gov →

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

Gas Tax in states bordering Oklahoma

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

ArkansasInfo
24.7¢/gallon state motor fuel tax on gasoline, plus a 0.3¢/gallon Petroleum Environmental Fee = 25.0¢/gallon in total state taxes and fees (excludes the 18.4¢ federal tax). Gasoline rate is set through Sept 30, 2026.
Verified Jul 3, 2026 · Source: dfa.arkansas.gov · Full Arkansas 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 →
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 →
MissouriInfo
29.5 cents/gallon state motor-fuel tax — the final step of the SB 262 phase-in, in effect since July 1, 2025, with no further increases scheduled and no inflation indexing; excludes the 18.4c federal tax.
Verified Jul 30, 2026 · Source: dor.mo.gov · Full Missouri 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 →
TexasPermitted
20.0 cents/gallon state gasoline tax (flat 20c); excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: comptroller.texas.gov · Full Texas rule →

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