On Jan. 21, 2020, the US EPA published an ANPRM in the Federal Register requesting comments on potential regulatory measures that would reduce emissions from heavy vehicles. Topics covered in the ANPRM include the following:
- emission control technologies for reducing NOx
- standards and test cycles
- in-use emission standards
- extended regulatory useful life
- ensuring long-term in-use emissions performance
- certification and compliance streamlining
- incentives for early emission reductions
An EPA summary document is available here.
The EPA website for the rulemaking is available here.
Docket reference: EPA–HQ–OAR–2019–0055
Comments are due Feb. 20, 2020.
Comments