Coates International, Ltd. said today it has put all projects on hold for about 30 days while it retrofits the company’s engine technology onto an 18-wheeler truck.Coates International, Ltd. (OTC BB: ...
Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...
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