2017 Climate Change Legal Pennsylvania 
Green Car Congress
JUNE 30, 2009
EPA also found that the California program meets legal requirements regarding the protectiveness of public health and welfare as well as technological feasibility. The Pavley II regulations, which start with the 2017 model year, will come to the Air Resources Board for consideration in 2010.
Green Car Congress
OCTOBER 30, 2017
A new study by a team from the University of Pennsylvania and MIT suggests it will be easier for cities to reduce CO 2 emissions coming from residential energy use rather than from local transportation. This reduction will happen mostly thanks to better building practices, not greater housing density.
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