49 CFR § 538.8 Manufacturing Incentives for Alternative Fuel Vehicles

§ 538.8 Gallon Equivalents for Gaseous Fuels.

Current through Sep 25, 2026 · Read all of Part 538

The gallon equivalent of gaseous fuels, for purposes of calculations made under 49 U.S.C. 32905, are listed in Table I:

Table I—Gallon Equivalent Measurements for Gaseous Fuels per 100 Standard Cubic Feet

FuelGallon equivalent measurement
Compressed Natural Gas0.823
Liquefied Natural Gas0.823
Liquefied Petroleum Gas (Grade HD-5)*0.726
Hydrogen0.259
Hythane (Hy5)0.741

* Per gallon unit of measure.

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