Ferrari patented a 2-stroke opposed-piston hydrogen combustion engine — a design used in diesel trucks and submarines, not ...

Despite electrification taking the lead as an alternative source of propulsion, some automakers, including Toyota, Honda, and ...

Aviation startup ZeroAvia says it’s been granted a “raft” of 45 new patents key to the development of practical large hydrogen aviation engines – and the company says it has 200 more H-related patents ...

A new era of maritime engines may be dawning soon, as the world's first 100% hydrogen engine has reached a major milestone in ...

Lloyd’s Register has granted a Type Approval Certificate for a marine engine that runs ...

With the rise of stricter emission laws, engine manufacturers have no choice but to look into alternate energy sources to run their vehicles. Cummins is reinventing the combustion engine but this time ...

This was not a one-off experiment built for a headline. The hydrogen work followed a staged path, beginning in 2022 when ...

Under the hood of the new “Ten-Oh” Japanese tugboat is the key is a novel marine engine system churning out more than 4,400 hp (!) from its dual, dual-fuel hydrogen-burning V12 engines. Is this – ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

While ICE versions of the new X5 are scheduled for launch in November 2026, the BEV and PHEV variants will arrive in early ...

Hydrogen combustion engines lean on existing internal-combustion technology, but they still require some technical tweaks for maximum efficiency. Engine maker Cummins recently unveiled a turbocharger ...

Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector. BRUSSELS, BELGIUM - JANUARY 13: Toyota Mirai hydrogen fuel cell ...