Alternative Fuel Tax Rates

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Blended fuels that contain at least 10% gasoline or diesel are taxed at the full tax rates of gasoline ($0.30 per gallon) or diesel ($0.312 per gallon). Alternative fuel tax rates are as follows:

Fuel Tax Rate
E85 $0.30 per gallon
Biodiesel blends of up to 90% $0.312 per gallon
Biodiesel blends of 90-100% $0.287 per gallon
Propane $0.219 per gallon
Compressed natural gas (CNG) $0.243 per 100 cubic feet
Liquefied natural gas $0.178 per gallon
Hydrogen $0.07 per 100 cubic feet
Hydrogen CNG $0.208 per 100 cubic feet

For more information, see the Maine Revenue Services website.

(Reference Maine Revised Statutes Title 36, Section 3203)