In a significant legislative victory for President Donald Trump and a setback for environmental advocates, the Senate voted Thursday morning to repeal

The Senate has overruled the guidance of the parliamentarian, a nonpartisan staffer who interprets the Senate's rules, and voted 51 to 44 to overturn a waiver allowing California to set its own air po...

Republicans say the California plan will hurt the US economy and impact the rest of the country because other states follow its emissions rules.