EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

Green Car Congress
By mmillikinDec 23, 2016, 4:50 pm277 pts
Earlier this year, the US Environmental Protection Agency (EPA) received several petitions from state and local government agencies from across the country and other organizations to increase the stringency of the on-highway heavy-duty engine NOx emission standards from 0.2 grams per brake horsepower-hour…

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