Hydrogen combustion engines are inefficient, costly to maintain and worse for the environment than fuel cell or battery powertrains. But they're also noisy and fun, so automakers are starting to pitch ...

How serious is Toyota about building a hydrogen combustion engine? CarBuzz has just found a patent for the engine design filed in the United States instead of at home. It shows some of the differences ...

The internal combustion engine had its days, but the journey is about to end as the EV era dawns. Ever since this has become clear, the automotive industry, as well as big oil, have scrambled to save ...

Some agree that batteries are the clear winner in the race against hydrogen technologies, while others think the opposite. There's no such debate among internal combustion engine proponents. Almost ...

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It's been a long time since the automotive world has bothered with the mixing of oil and gas of the two-stroke combustion cycle — but soon, it may come time to rid ourselves of four-stroke engines, if ...

These engines took minutes to start up and their unique two-stroke design allowed them to idle by rocking back and forth, ...