Powertrain

Is it a bit over the top? Of course. But in an era when the industry is still figuring out what’s possible with electrification, the GMC Hummer EV is the moon shot, an in-your-face demonstration of what can be done at the very outer limits of...

The 1.5L turbocharged engine delivers an impressive 200 hp and 192 lb.-ft. (260 Nm) of peak torque. Those are solid numbers for engines 30% bigger.

The truck maker is launching series production of electric versions of its most important product range of heavy-duty trucks including Volvo FH, Volvo FM and Volvo FMX.

Cummins announced in February it had redesigned its B, L and X-Series engine portfolios to run on hydrogen in addition to diesel and natural gas. The so-called fuel-agnostic platform includes the hydrogen option in 6.7L displacement as well as 15.0L.

CEO Mary Barra says an electrified version of the Corvette will appear as soon as next year, followed by a battery-electric version built around GM’s Ultium battery technology.

The pickup truck twins are being engineered with electric drivelines and could challenge the Tesla Cybertruck and Rivian R1T.

Achates Power and Walmart are teaming on a joint test of the engine-maker’s opposed-piston diesel in the retail giant’s tractor-trailer rigs. Achates says the engine cuts CO2 emissions 10% without any added cost.