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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EPA Rhode Island District of Columbia New York 231

Green Car Congress

APRIL 30, 2019

As states take the lead in confronting climate change, a flagship policy is often Renewable Portfolio Standards (RPS). A new study analyzing data from the 29 states and District of Columbia with mandatory RPS policies finds that the policies come at a high cost to consumers and are inefficient in reducing carbon emissions.

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Renewable Price District of Columbia Chicago 207

Green Car Congress

JULY 6, 2012

In June, the US Court of Appeals for the District of Columbia Circuit vacated the EPA’s interim final rule on the use of non-conformance penalties (NCPs) in order to sell diesel engines with emissions levels above 0.20g NO x. Background. Navistar touted the advanced EGR approach as being more cost-effective than SCR. Earlier post.).

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EPA 2010 District of Columbia Engine 231

Green Car Congress

DECEMBER 20, 2010

Yet, E-15 has been shown to adversely affect engines in non-road products and later model year vehicles, cause emission failures and increase air pollution due to misfueling, the group says. We want to be sure that any new fuel will not increase air pollution, harm engines or endanger consumer safety. Earlier post.).

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Legal EPA Engine District of Columbia 218

Green Car Congress

SEPTEMBER 21, 2019

These standards are followed, in whole or part, by 13 other states and the District of Columbia. In its argument, the states conflate the multiple-decade history of state regulation of criteria pollutants with the more recent addition of greenhouse gas regulations and the ZEV mandate. Earlier post.).

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District of Columbia Los Angeles Congress Pollution 207

The Truth About Cars

APRIL 9, 2024

For those that don’t recall this particular saga of the Great American Gas War, the EPA reinstated a waiver under the Clear Air Act that allowed California to establish vehicle emission rules that went beyond federal standards in 2022. This ruling reaffirms California’s longstanding right to address pollution from cars and trucks."

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EPA California Emissions Gas 104

The Truth About Cars

APRIL 30, 2024

.& If those claims sound familiar, it’s effectively what the Trump administration said when it attempted to roll back Obama-era emission requirements and revoke the California fueling waiver that basically allowed the state to position itself as the de facto federal standard — something we’ve covered several times in the past.

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EPA Emissions West Virginia Gas 98

Baua Electric

JUNE 26, 2024

But while the Biden administration has pushed hard for tough new standards that should reduce the effects of carbon pollution, it also has presided over massive increases in domestic oil production. The Shelby decision gutted the standards for voter redistricting in states that had been under Federal Election Commission oversight.

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Climate Shelby Climate Change Atlanta 52