23 Dec '16, 9pm

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

EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024 23 December 2016 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 (g/bhp-hr) to 0.02 g/bhp-hr. On 20 December, EPA formally responded, saying that it will initiate the work necessary to issue a Notice of Proposed Rulemaking with the intention of proposing standards that could begin in Model Year 2024. This timeframe is consistent with the lead-time requirements of the Clean Air Act, and is aligned with a milestone implementation year for the EPA heavy-duty Phase 2 GHG program. (In the final HD Phase 2 rule, EPA had noted t...

Full article: http://www.greencarcongress.com/2016/12/20161223-epa.html

Tweets

[email protected] says it will begin work on new heavy duty...

epa.gov 20 Dec '16, 6pm

EPA’s response acknowledges that there is a need for further NOx reductions from heavy duty on-road trucks, buses, and oth...

Begin Your Year With the Frostbite Open

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