{"data":{"id":"us/49-cfr-538.1","jurisdiction":"us","citation":"49 CFR 538.1","heading":"Scope.","body":"This part establishes minimum driving range criteria to aid in identifying passenger automobiles that are dual-fueled automobiles. It also establishes gallon equivalent measurements for gaseous fuels other than natural gas.","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":"c5bf6e63528c11aed963784fc38585ef108342541e05d2cb4050814627276a41","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-537.12","next":"us/49-cfr-538.2"},"notice":"GroundRules: Original legal text. Not legal advice."}