Motiv Engines Unveils New Efficient Engine Design

Motiv Engines LLC has introduced the second generation of its ultra-efficient engine design, which the company intends to develop into a heavy-duty on-highway engine fueled by liquefied natural gas (LNG).

The new prototype, dubbed the MkII Clarke-Brayton Engine, is fueled by diesel, which Motiv says is a first step in proving the technology before developing a new LNG fuel system.

The company expects the engine to be up to twice as efficient as a conventional auto engine and up to 20% more efficient than modern diesel engines.

It splits the processes of an engine into three separate optimized spaces, allowing it to implement a more efficient cycle, achieve a 56:1 compression ratio and lose much less of its energy to heat than a conventional engine, Motiv explains.

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