![yir-june-gas-450bp.jpg](https://www.ibj.com/wp-content/uploads/2019/01/yir-june-gas-450bp-300x200.jpg)
EPA’s ambitious plan to cut auto emissions runs into skepticism
The U.S. government’s most ambitious plan ever to slash planet-warming greenhouse gas emissions from passenger vehicles faces uncertainty over both about how realistic it is and whether it goes far enough.