Harry Ricardo built the first known variable compression ratio engine as a test engine in the 1920s to study knock in aircraft engines. Variable compression ratio was achieved by raising or lowering ...

Since 1998, Nissan has been working on a new kind of engine that could realize many automotive engineers’ dreams: an engine with a variable compression ratio. This was Nissan going against the hybrid ...

Joel was previously an editor at Autoblog for nearly a decade, covering cars from humble economy hatchbacks to high-end sports cars. He has extensive driving experience with plenty of track time, and ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

Editor's note: This story is part of the WardsAuto digital archive, which may include content that was first published in print, or in different web layouts. STANFIELD, AZ – Shinichi Kiga cracks a ...

NYK is about to acquire a series of LNG dual-fuel ships featuring one of the first genuinely new fundamental technologies in two-stroke design in years. China State Shipbuilding Corporation's engine ...

Hyundai Motor Group is a company that doesn't seem tied down to any one particular powertrain technology. Yes, it has invested heavily in bringing EVs to market, but it also keeps adding hybrids. It ...