A proposal by Senate Republicans would adjust the pace at which some crucial home energy efficiency and electric vehicle tax credits are phased out in timelines different from what House Republicans p

U.S. Senate Republicans on Monday proposed a tax bill that would extend a clean fuel tax credit through 2031, but trim 20% of the value of the credit for biofuels made from feedstocks produced outside of the United States.

A Senate tax package softens some blows imposed on renewables by a House version of the bill. But it still terminates many credits for clean power.