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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). LPI has placed the “M” engine line on hold, for now, to focus on developing the X architecture. Click to enlarge. LiquidPiston, Inc. LPI has moved towards a wider rotor (axially), with shorter rotor radius, for sealing purposes.

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