Ann Carlson in The Guardian: Trump to roll back Obama-era clean car rules in huge blow to climate fight

The Trump administration is rolling back the US government’s strongest attempt to combat the climate crisis, weakening rules which compel auto companies to produce more fuel-efficient vehicles. Critics say the move will lead to more life-threatening air pollution and force Americans to spend more on gasoline.  Ann Carlson, a professor at the University of California in Los Angeles, said the legal fight will be “one of the hardest fought, in part because it’s the most significant.”