News Trump administration scraps Obama fuel-efficiency standard, opts for laxer rule March 31, 2020March 31, 2020Ledyard King, USA TODAYComments Off on Trump administration scraps Obama fuel-efficiency standard, opts for laxer rule The SAFE rule requires cars and light trucks to average roughly 40 miles per gallon by 2025, down from about 50 miles per gallon under the Obama rule,