The electric vehicle revolution is far bigger than Tesla and Ford (with its electric pickup) as the world’s top makers of heavy-duty trucks and powertrains including Navistar, Daimler, Cummins, Hyundai and Volvo also intend to shake up their industry with next-generation battery- and hydrogen-powered models that cut carbon and exhaust pollution.

Improvements in battery and hydrogen technology, along with new federal support for clean vehicles, set the stage for wider adoption by fleet operators and surging oil prices only make them that much more compelling.