{"data":{"id":"us/40-cfr-1066.816","jurisdiction":"us","citation":"40 CFR 1066.816","heading":"Vehicle preconditioning for FTP testing.","body":"Precondition the test vehicle before the FTP exhaust measurement as described in 40 CFR 86.132.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1066—VEHICLE-TESTING PROCEDURES","Subpart I—Exhaust Emission Test Procedures for Motor Vehicles"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"a7914c6a27b22c31e041a25b8fcd7d79ecd1ff3a65812b0b62ea182ee7c119dc","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1066.815","next":"us/40-cfr-1066.820"},"notice":"GroundRules: Original legal text. Not legal advice."}