Green Car Congress
DECEMBER 21, 2022
The US Environmental Protection Agency (EPA) finalized more stringent NO x emissions limits for model year 2027 and later heavy-duty engines and vehicles. Relative to current rules, the new standards are more than 80% stronger, increase useful life of governed vehicles by 1.5–2.5 times, and will yield emissions warranties that are 2.8–4.5
Green Car Reports
JUNE 9, 2022
Five automakers have filed a motion to intervene on the side of the EPA, against a legal challenge to California's ability to set its own stricter emissions standards.
Green Car Congress
SEPTEMBER 19, 2019
This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. California’s ability to enforce its Low Emission Vehicle program and other clean air standards to address harmful smog-forming vehicle emissions—i.e.,
Green Car Congress
DECEMBER 14, 2012
In response to a court order, the US Environmental Protection Agency (EPA) finalized an update to its national air quality standards for harmful fine particle pollution (PM 2.5 ), including soot, setting the annual health (primary) standard at 12 µg/m 3. This includes an annual standard of 15.0 ?g/m standard of 35?
Green Car Congress
NOVEMBER 21, 2014
The US Environmental Protection Agency (EPA) will not finalize the 2014 applicable percentage standards (the 2014 Renewable Volume Obligations, RVOs) under the Renewable Fuel Standard (RFS) program until sometime next year. Accordingly, in the November 2013 notice, EPA proposed a total renewable fuel target of 15.21
Green Car Congress
DECEMBER 20, 2010
The petition challenges the ability of EPA to grant a partial waiver for three specific reasons: The Clean Air Act does not authorize EPA to issue any partial waiver decisions. Our concern is that EPA prematurely granted the partial waiver before critical studies on the effects of E-15 use were completed. Earlier post.).
Green Car Congress
FEBRUARY 11, 2012
A coalition of 11 states filed a lawsuit to compel the US Environmental Protection Agency (EPA) promptly to revise national air quality standards for air pollution involving soot. The EPA had failed to meet an October 2011 deadline for revising the existing standards. EPA last revised the standards in 2006.
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