District of Columbia Economy EPA Standards 
Green Car Congress
OCTOBER 1, 2015
The US Environmental Protection Agency (EPA). issued its final rule revising the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. EPA estimates that the public health benefits of the updated standards will range from $2.9
Green Car Congress
JUNE 30, 2009
The US Environmental Agency (EPA) has granted California’s waiver request enabling the state to enforce its greenhouse gas emissions standards (Pavley I) for new motor vehicles, beginning with the current model year. California requested from EPA the waiver required for implementation of the Pavley regulations in December 2005.
Green Car Congress
JULY 20, 2011
GNA will collaborate with Honda to market the Civic Natural Gas sedan in 19 states spanning the Mid-West to Northeast and Mid-Atlantic regions including the District of Columbia. Earlier post.) The project will be managed by GNA’s East Coast office, based in New York City.
Green Car Congress
SEPTEMBER 21, 2019
These standards are followed, in whole or part, by 13 other states and the District of Columbia. Earlier post.). In the lawsuit, the coalition broadly asserts that this Preemption Rule is unlawful and should be vacated. In the lawsuit, the coalition broadly asserts that this Preemption Rule is unlawful and should be vacated.
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. On Tuesday, a U.S. Joe Biden ultimately restored the waiver by executive order after taking office.
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