49 CFR 538.8 - Gallon Equivalents for Gaseous Fuels.

§ 538.8 Gallon Equivalents for Gaseous Fuels.
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
* Per gallon unit of measure.
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

Title 49 published on 2014-10-01.

No entries appear in the Federal Register after this date, for 49 CFR Part 538.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 49 published on 2014-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 538 after this date.

  • 2015-07-13; vol. 80 # 133 - Monday, July 13, 2015
    1. 80 FR 40138 - Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles—Phase 2
      GPO FDSys XML | Text
      Proposed rule.
      Comments on all aspects of this proposal must be received on or before September 11, 2015. Under the Paperwork Reduction Act (PRA), comments on the information collection provisions are best assured of consideration if the Office of Management and Budget (OMB) receives a copy of your comments on or before August 12, 2015. EPA and NHTSA will announce the public hearing dates and locations for this proposal in a supplemental Federal Register document.
      40 CFR Parts 9, 22, 85, 86, 600, 1033, 1036, 1037, 1039, 1042, 1043, 1065, 1066, and 1068