This Radical Redesign Could Keep Gas Engines Pumping

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Achates Power is reviving the century-old opposed piston layout to make gas-powered cars more efficient.An opposed-piston engine is a reciprocating internal combustion engine in which each cylinder has a piston at both ends, and no cylinder head.

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It replaces the four-stroke engine’s valvetrain with open intake and the exhaust ports, eliminating the friction and complexity of the camshaft and valves.

The team of engineers is investigating a way to make the cleaner, greener internal combustion engine. Their solution involves flipping the standard four-stroke engine on top of itself.

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Opposed piston engines should not be confused with flat engines, which are horizontally opposed with one piston per cylinder, and cylinder heads.

VIAWIRED
SOURCEwikipedia
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