U.S. EPA proposes to delay Biden-era Tier 4 vehicle emission standards
On May 14, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin proposed a deregulatory action to delay the compliance deadlines for Biden-era emission standards for light-and medium-duty vehicles for two years until model year (MY) 2029 following the shift away from electric vehicles (EVs).
The announ....
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