{"data":{"id":"us/49-cfr-538.8","jurisdiction":"us","citation":"49 CFR 538.8","heading":"Gallon Equivalents for Gaseous Fuels.","body":"The gallon equivalent of gaseous fuels, for purposes of calculations made under 49 U.S.C. 32905, are listed in Table I:\nTable I—Gallon Equivalent Measurements for Gaseous Fuels per 100 Standard Cubic Feet\nFuel Gallon equivalent measurement\nCompressed Natural Gas 0.823\nLiquefied Natural Gas 0.823\nLiquefied Petroleum Gas (Grade HD-5)* 0.726\nHydrogen 0.259\nHythane (Hy5) 0.741\n* Per gallon unit of measure.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 538—MANUFACTURING INCENTIVES FOR ALTERNATIVE FUEL VEHICLES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"398191f20ab626357a454eb4ffc606cdca43f3d94bf19ab3abeeb6477b009748","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-538.7","next":"us/49-cfr-538.9"},"notice":"GroundRules: Original legal text. Not legal advice."}