{"data":{"id":"us/40-cfr-60.4234","jurisdiction":"us","citation":"40 CFR 60.4234","heading":"How long must I meet the emission standards if I am an owner or operator of a stationary SI internal combustion engine?","body":"Owners and operators of stationary SI ICE must operate and maintain stationary SI ICE that achieve the emission standards as required in § 60.4233 over the entire life of the engine.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES","Subpart JJJJ—Standards of Performance for Stationary Spark Ignition Internal Combustion Engines"],"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":"b01de50434dda13918d721e788553be6caaffe87c52e19ea8ce71b67ed05665c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.4233","next":"us/40-cfr-60.4235"},"notice":"GroundRules: Original legal text. Not legal advice."}