Gasoline and Diesel Gallon Equivalency Methodology
This is the gasoline and diesel gallon equivalency methodology for compressed natural gas (CNG) and liquefied natural gas (LNG) used in the fuel properties comparison tool.
Compressed Natural Gas
Gasoline (E10):LHV Range = 112,114 ← → 116,090 Btu/gal
Low Sulfur Diesel
LHV1= 128,488 Btu/gal
Natural Gas (compressed)
LHV2 = 20,160 Btu/lb
Density2= 0.0458 lb/scf
Calculations:
Pounds Mass/Gasoline Gallon Equivalent Calculation
Average = 5.66 lb/gge
Standard Cubic Feet/Gasoline Gallon Equivalent Calculation
Average = 123.57 scf/gge
Pounds Mass/Diesel Gallon Equivalent Calculation
Standard Cubic Feet/Diesel Gallon Equivalent Calculation
Liquefied Natural Gas
Natural Gas (Liquefied)
LHV2= 21,240 Btu/lb
Natural Gas (compressed)
LHV2= 20,160 Btu/lb
Calculations:
Pounds Mass LNG/Gasoline Gallon Equivalent Calculation
Pounds Mass LNG/Diesel Gallon Equivalent Calculation
1 Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET) Model, version 1. 2013. Input Fuel Specifications. Argonne National Laboratory. Chicago, IL.
2 Report of the 78th National Conference on Weights and measures, 1993, NIST Special Publication 854, pp 322-326