The definitions provided in subpart A also apply in this subpart. Additional definitions that apply in this subpart are as follow:
Altitude performance adjustments are adjustments or modifications made to vehicle, engine, or emission control functions in order to improve emission control performance at altitudes other than those for which the vehicles were designed.
Low altitude means any elevation less than or equal to 1,219 meters (4,000 feet).
Manufacturer parts are parts produced or sold by the manufacturer of the motor vehicle or motor vehicle engine.
Title 40 published on 2014-07-01
The following are only the Rules published in the Federal Register after the published date of Title 40.
For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.
This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.