Tellingly, EcoMotors and Pinnacle, based in Silicon Valley, have both signed development deals with Asian manufacturers.
FORBES: Engine Startup EcoMotors Signs Deal with Chinese Manufacturer
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EcoMotors and Achates are developing two-stroke, opposed piston diesel engines while Pinnacle is working on a four-stroke opposed piston gasoline engine.
FORBES: Engine Startup EcoMotors Signs Deal with Chinese Manufacturer
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EcoMotors International, based in the Detroit suburb of Allen Park, Mich.