{"data":{"id":"us/40-cfr-1065.127","jurisdiction":"us","citation":"40 CFR 1065.127","heading":"Exhaust gas recirculation.","body":"Use the exhaust gas recirculation (EGR) system installed with the engine or one that represents a typical in-use configuration. This includes any applicable EGR cooling devices.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1065—ENGINE-TESTING PROCEDURES","Subpart B—Equipment Specifications"],"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":"2ba2e63604bc4122cacef68caaae1d9867065eb0f509177af682362c9d2804cd","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1065.125","next":"us/40-cfr-1065.130"},"notice":"GroundRules: Original legal text. Not legal advice."}