California SCAQMD petitioning EPA for national ultra-low NOx standard for trucks

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GRA

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Via GCC: http://www.greencarcongress.com/2016/05/california-scaqmd-petitioning-epa-for-national-ultra-low-nox-standard-for-trucks.html

. . . The petition requests EPA to adopt an “ultra-low NOx” emission standard for heavy-duty truck engines that is up to ten times more stringent than the current standard.

The California Air Resources Board (CARB) plans to adopt such a standard for trucks sold in California; however, most trucks operating in the state are purchased outside of California and therefore are not subject to the state’s emission standards.

Without a nationwide ultra-low NOx emission standard, SCAQMD argues, California will not be able to meet the 2023 deadline for achieving the federally mandated 8-hour ozone standard, which was adopted in 1997 and set at 80 parts per billion. Nor will the region be able to meet the 2031 deadline for the 8-hour ozone standard that was adopted in 2008 and lowered to 75 parts per billion. . . .
 
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