40 CFR § 60.4203 - How long must my engines meet the emission standards if I am a manufacturer of stationary CI internal combustion engines?

---
identifier: "/us/cfr/t40/s60.4203"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 60.4203 - How long must my engines meet the emission standards if I am a manufacturer of stationary CI internal combustion engines?"
title_number: 40
title_name: "Protection of Environment"
section_number: "60.4203"
section_name: "How long must my engines meet the emission standards if I am a manufacturer of stationary CI internal combustion engines?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "60"
part_name: "STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
regulatory_source: "36 FR 24877, Dec. 23, 1971, unless otherwise noted."
cfr_part: "60"
---


# 60.4203 How long must my engines meet the emission standards if I am a manufacturer of stationary CI internal combustion engines?

Engines manufactured by stationary CI internal combustion engine manufacturers must meet the emission standards as required in §§ 60.4201 and 60.4202 during the certified emissions life of the engines.

[76 FR 37968, June 28, 2011]