HEHCHigh-Efficiency Hybrid Cycle
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He will be deeply missed by his extended family & friends especially by all his HEHC buddies.
The HEHC cycle increases average efficiency over conventional diesel engines from less than 20% to more than 50% under typical operating modes, reducing fuel consumption by as much as threefold over conventional diesel engines.
By combining its HEHC with a rotary engine architecture, LiquidPiston has created an engine that is up to ten times lighter, whisper quiet, and two to three times more efficient at part-load than conventional engines.