The Environmental Protection Agency (EPA) has issued a Notice of Proposed Rulemaking (NPRM) on Heavy-Duty Engine and Vehicle Standards. The NPRM would reduce air pollution from highway heavy-duty vehicles and engines, including ozone, particulate matter, and greenhouse gases. This proposal would change the heavy-duty emission control program—including the standards, test procedures, useful life, warranty, and other requirements— to further reduce the air quality impacts of heavy-duty engines across a range of operating conditions and over a longer period of the operational life of heavy-duty engines. This proposal would make targeted updates to the existing Heavy-Duty Greenhouse Gas Emissions Phase 2 program, proposing that further GHG reductions in the MY 2027 timeframe are appropriate considering lead time, costs, and other factors, including market shifts to zero-emission technologies in certain segments of the heavy-duty vehicle sector. Comments to this NPRM must be received by May 13, 2022. The entire NPRM may be found here: 2022-04934.pdf.
The EPA plans to hold a virtual public hearing on this NPRM on April 12, 2022. An additional session may be held on April 13, 2022. In order to attend the virtual public hearing, all attendees (including those who will not be presenting verbal testimony) must register in advance using the following registration link: https:// www.epa.gov/regulations-emissions-vehicles-and-engines/proposed-rule-and-related-materials-control-air-1.
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