2007 Legal Pennsylvania Standards 
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. The request was subsequently denied in December 2007. EPA Administrator Lisa Jackson. Earlier post.)
Green Car Congress
OCTOBER 8, 2019
The fact that VMT has increased faster than GHG emissions from surface transportation indicates that the state’s GHG standards and policies are working to reduce emissions to an extent, but the current upward trajectory of VMT and surface transportation GHG emissions cannot continue if the state is to meet its climate goals. percent and 0.1
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