Last week, news of Microsoft founder Bill Gates investing in a start-up company called EcoMotors surfaced. The reason which prompted one of the wealthiest people on the planet into providing funding ...

A diesel-electric hybrid helicopter using Ecomotors OPOC engines is a concept project grouped under the name of eCO2avia by EADS Innovation Works. Highly efficient electrical motors driving the rotors ...

Thanks to generous support from a foreign backer, there is renewed hope for an American attempt to revolutionize, modernize and sanitize the automobile engine. The catch? The finished product will be ...

Throughout the history of the internal combustion engine there have been a multitude of scientists, inventors and entrepreneurs shouting claims about revolutionary new engine designs promising greater ...

Navistar International Corporation today announced it has reached a development agreement with EcoMotors International in support of the company’s opoc (Opposed-Piston, Opposed-Cylinder) engine ...

There are only a handful of engineering companies which can brag they have managed to draw both the attention and the money of Bill Gates. Among them, engine manufacturer EcoMotors, a company whose ...

EcoMotors International, a startup based in Troy, Michigan, has a new approach to an old idea–the two-stroke engine–which it says is up to 50 percent more efficient than most vehicle engines and ...

Allen Park-based EcoMotors International and Warrenville, Ill.-based Navistar International Corp. announced a development agreement in support of EcoMotors' OPOC (Opposed Piston, Opposed Cylinder) ...

The Opoc internal combustion engine design, which can improve fuel economy by up to 50 percent, attracts $23.5 million in funding from Bill Gates and Vinod Khosla. Martin LaMonica is a senior writer ...

WARRENVILLE, Ill. – Navistar International Corp. (NYSE: NAV) reached a development agreement with EcoMotors International in support of the company's opoc (Opposed Piston-Opposed Cylinder) engine ...

Groundbreaking engine technology appears fairly frequently, but few designs ever make it beyond the test bench and into production vehicles. EcoMotors International's opposed-piston engine on the ...

You'll be hearing a lot about the 'OPOC' engine in the next little while, and maybe for a long time to come. More than 500 trucks were on display, indoors and out, at the 2026 American Historical ...