The Republican-majority Senate's decision to revoke California's planned ban on vehicles that run on fossil fuels defies ...

WASHINGTON—The GOP-led Senate voted Thursday to take away California’s ability to set its own tailpipe emissions standards, ...

Legal experts say Congress misused a federal law to do so, potentially “opening up a Pandora’s box it cannot close.” ...

Senate Republicans led the push to block California's ability to impose tough limits on car emissions — a move Democrats call ...

Congress disapproved the U.S. Environmental Protection Agency waivers given to California for that state’s recent zero- and ...