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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). We have explored and patented dozens of engine architectures capable of implementing the HEHC cycle. LPI has placed the “M” engine line on hold, for now, to focus on developing the X architecture. Click to enlarge. LiquidPiston, Inc.

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