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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

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

Official source: oklahoma.gov →

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