MotorTrend on MSN
The Wild Tomahawk Internal Combustion Turbine Engine Could Dramatically Chop Fuel Use and Emissions
Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver brake thermal efficiency as high ...
MotorTrend on MSN
Porsche's Six-Stroke Engine Could Kill Four-Stroke Designs
The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just ...
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