Why California gets to write its own auto emissions standards: 5 questions answered

Nicholas Bryner, University of California, Los Angeles and Meredith Hankins, University of California, Los Angeles Editor’s note: On April 2, Environmental Protection Agency Administrator Scott Pruitt announced that the Trump administration plans to revise tailpipe emissions standards negotiated by the Obama administration for motor vehicles built between 2022 and 2025, saying the standards were set Read more about Why California gets to write its own auto emissions standards: 5 questions answered[…]