U.S. aims for zero-emissions heavy-duty vehicles

STORY: The U.S. is aiming for zero-emissions heavy-duty vehicles by 2040

including school buses, trucks, tractor trailers and commercial delivery vehicles

The target was agreed at the COP27 climate summit in Egypt

30% of those new vehicles are to be zero-emission by 2030 and 100% by 2040

The $430 billion climate, tax and drug policy bill passed in August

includes new commercial electric vehicles tax credits

A group of 16 lawmakers had urged President Joe Biden to sign the agreement

noting medium and heavy trucks represent 10% of vehicles

but account for 28% of total on-road greenhouse gas emissions