HotCars on MSN
Mazda's new 6-stroke engine could spell the end of EVs
This new Mazda six-stroke engine provides hope for a combustion-engined future.
19FortyFive on MSN
The US Air Force has not fielded a brand-new fighter engine design since the 1990s. It is trying again by 2030
The Air Force has not fielded an entirely new fighter engine design since the 1990s, and its attempt to change that is now ...
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