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Federal regulations · Through 2026-08-25 · Newer source version available

49 CFR 538.8: Gallon Equivalents for Gaseous Fuels.

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Where this section sits in the code
  1. Title 49—Transportation
  2. Subtitle B—Other Regulations Relating to Transportation
  3. CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  4. PART 538—MANUFACTURING INCENTIVES FOR ALTERNATIVE FUEL VEHICLES

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

Fuel Gallon equivalent measurement

Compressed Natural Gas 0.823

Liquefied Natural Gas 0.823

Liquefied Petroleum Gas (Grade HD-5)* 0.726

Hydrogen 0.259

Hythane (Hy5) 0.741

* Per gallon unit of measure.

Collected 2026-08-27T02:26:34Z. Source file · JSON

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