They function without the use of a spark ... resulting in a greater power output. For diesel engines, the turbocharger complements the high compression ratios, which gives you low-end torque.

The brand developed a turbocharger called H2 ICE specifically for engines that burn hydrogen instead of diesel, and it claims it already has a buyer lined up to bring the system to production.

Cummins’ 6.7L Turbo Diesel advanced engine system and powertrain will be offered in the recently announced 2025 Ram 2500; 3500 heavy-duty pickups; and Ram 3500, 4500, and 5500 chassis cab trucks.