It's a variable geometry turbo designed to "meet the unique requirements of hydrogen engines," according to Cummins. The exact details of the design ... Class 8 Truck Hydrogen Fuel Cell Concept ...

Hyundai boasts its 2023 NEXO fuel cell refuels in five minutes and produces zero emissions. The company also announced in ...

Toyota's latest hydrogen fuel cell system promises lower ... dependability comparable to diesel engines, but with the added benefit of a maintenance-free design. Fuel efficiency has also been ...

There are two basic approaches to using hydrogen in vehicles: the proton exchange membrane (PEM, also called polymer electrolyte membrane) fuel cell and the classic internal combustion engine (ICE).