vehicle emission standards
Over the past fifty years, EPA has overseen incredible reductions in auto pollution.
This is part of an occasional series of posts about the evolution of pollution standards. Today’s subject is pollution control for new vehicles, which have been known to cause smog since the 1960s. The history of these pollution standards is quite distinctive. At the high temperatures in internal combustion engines, some of the nitrogen in …CONTINUE READING
A new rule will clean up exhaust from new diesels, a major health threat.
Last week, EPA finalized its new rule imposing emission limits on new heavy trucks. The new regulation was clearly a massive undertaking. EPA’s formal announcement of the new rule is 1100 pages long. The accompanying summary of comments on the proposed rule and EPA’s responses is another 2000 pages. This is partly due to the …CONTINUE READING
Ted Lamm and Sean Hecht Co-Author Amicus Brief on Behalf of National Parks Groups
Last week, Sean Hecht and I filed an amicus brief with the DC Circuit in the legal challenge to the Trump Administration’s attempt to eliminate California’s authority to apply its own automobile emission standards under the Clean Air Act. (We filed the brief in our individual capacities and not on behalf of our respective institutions.) …CONTINUE READING
Is there any legal basis for the Trump Administration’s actions?
Prompting rage by President Trump, California and several carmakers entered a voluntary agreement on carbon emissions from new cars that blew past the Administration’s efforts to repeal existing federal requirements. Last week, the Trump Administration slapped back at California. Although there’s been a lot of editorializing about that response, I’ve seen very little about the …CONTINUE READING