On May 12, 2020, the EPA published an NPRM in the Federal Register proposing changes to the test procedures for heavy-duty engines and vehicles to improve accuracy and reduce testing burden. In the NPRM, EPA also proposes other regulatory amendments concerning light-duty vehicles, heavy-duty vehicles, highway motorcycles, locomotives, marine engines, other nonroad engines and vehicles, stationary engines. These would affect the certification procedures for exhaust emission standards, and related requirements. EPA is proposing similar amendments for evaporative emission standards for nonroad equipment and portable fuel containers. These amendments would increase compliance flexibility, harmonize with other requirements, add clarity, correct errors, and streamline the regulations.
Products affected by the rulemaking include:
Light-duty vehicles
Heavy-duty vehicles and engines
Motorcycles (highway and nonroad)
Marine engines
Locomotives
Other nonroad engines and equipment
Stationary engines
Portable fuel containers
Comments on the NPRM will be due June 26, 2020.
Docket reference: EPA–HQ–OAR-2019-0307.
EPA contact: Alan Stout, Office of Transportation and Air Quality, Assessment and Standards Division, Environmental Protection Agency, 2000 Traverwood Drive, Ann Arbor, MI 48105; telephone number: (734) 214-4805; email address: stout.alan@epa.gov.