DETROIT – General Motors says it will no longer support the Trump administration in legal efforts to end California's right to set its own clean-air standards.CEO Mary Barra said in a letter Monday to environmental groups that GM will pull out of the lawsuit, and it urges other automakers to do so.She said the company agrees with President-elect Joe Biden's plan to expand electric vehicle use.
Last week, GM said it is testing a new battery chemistry that will bring electric-vehicle costs down to those of gas-powered vehicles within five years.Barra sent the letter after a call with California Gov.
Gavin Newsom, the company said. “We believe the ambitious electrification goals of the President-elect, California, and General Motors are.