The term Atkinson cycle goes around a lot when talking about car engines, and it all started as a more thermally efficient version of the Otto cycle engine.
North Korean leader Kim Jong Un has observed a test of a newly upgraded high-thrust, solid-fuel engine for weapons.
Toyota's exclusive rally-bred turbocharged engine remains an icon in its extensive performance car history.
New research is revealing how a decades-long mystery involving changes in Saturn's rotation speed has finally been solved.
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