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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

Green Car Congress

Isuzu D201 35 hp diesel engine (left) and the LiquidPiston 40 hp X2 Prototype (right). Internal cooling with air or water (Rankine). LPI has placed the “M” engine line on hold, for now, to focus on developing the X architecture. Click to enlarge. LiquidPiston, Inc. Constant volume combustion (Otto). Click to enlarge.

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