ScienceDaily: To hold up its end of the landmark climate deal signed in Paris last week, the U.S. will need to make cars and trucks of the future far more fuel efficient. Its commitment to reduce carbon pollution relies -- in part -- on fuel economy standards enacted by the Obama administration that aim to increase the fuel efficiency of cars and light trucks to the equivalent of 54 miles per gallon by 2025. New research from the University of Washington and the Massachusetts Institute of Technology shows that...