{"data":{"id":"us/40-cfr-610.20","jurisdiction":"us","citation":"40 CFR 610.20","heading":"General.","body":"The Administrator will employ the following criteria for evaluating the accuracy of fuel economy representations made with respect to retrofit devices:\n(a) Device functional category;\n(b) Device integrity;\n(c) Operator interaction effects;\n(d) Validity of test data;\n(e) Evaluation of test data;\nas these concepts are explained in §§ 610.21 through 610.25 respectively.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER Q—ENERGY POLICY","PART 610—FUEL ECONOMY RETROFIT DEVICES","Subpart B—Evaluation Criteria for the Preliminary Analysis"],"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":"2a14bb43aa120b894d6e4e1b78446b9401dc716a38ee88a54dd773bfc35a3bd6","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-610.17","next":"us/40-cfr-610.21"},"notice":"GroundRules: Original legal text. Not legal advice."}