States Raise Concern Over EPA Delay In Moving Heavy-Duty NOx Plan

Key states are raising concern that EPA has yet to advance a long-awaited proposal to cut nitrogen oxide (NOx) emissions from heavy-duty vehicles, sending letters to top officials underscoring the urgent need to issue a proposal in January 2022 to meet President Joe Biden’s goal for a final rule in December 2022. The Democratic attorney generals (AGs) from New York, New Jersey and Connecticut sent a Nov. 23 letter to EPA Administrator Michael Regan and National Climate Adviser Gina McCarthy...