Regulation & law · 04/06/2010Updated: 10/17/2026 · 1 min read
NHTSA Issues Notice on Accelerated Aging Cycles for Heavy-Duty Diesel After-Treatment Systems
Summary
The National Highway Traffic Safety Administration (NHTSA) has issued a notice regarding the accelerated aging cycles for heavy-duty diesel after-treatment systems, as mandated by the National Cooperative Research and Production Act of 1993.