Calculators for Alternative Fuel Conversions

International Fuel Tax Agreement (IFTA) Calculator

Fuel Type Units to be reported on IFTA tax return Formula for calculating units
Liquefied Natural Gas (LNG) Diesel gallon equivalents (DGEs) 1 DGE = 6.06 pounds of LNG
Propane (LPG) Gasoline gallon equivalents (GGEs) 1 GGE = 1.353 gallons of LPG
1 GGE = 5.75 pounds of LPG
Methanol Gasoline gallon equivalents (GGEs) 1 GGE = 2.04 gallons of methanol
Compressed Natural Gas (CNG) Gasoline gallon equivalents (GGEs) 1 GGE = 5.66 pounds of CNG

Alternative Fuel DGE/GGE Calculator

Answer in GGE (DGE for LNG)