Achates Power, Inc., the developer of radically improved internal combustion engines that increase fuel efficiency, reduce greenhouse gas emissions and cost less than conventional engines, today ...

Achates Power, Inc.—developer of internal combustion engines that increase fuel efficiency, reduce greenhouse gas emissions and are lower cost—announced growing market traction for its opposed-piston ...

Johnson is the CEO of Achates Power, the decade-long developer of an advanced take on an old-school engine design that could be poised to emerge as a high-efficiency dose of reality to a ...

Achates Power Inc., the developer of modern two-stroke, opposed-piston engines, says it has secured another contract with a leading global original-equipment manufacturer. The company now has five ...

Achates Power of San Diego has developed a two-stroke truck diesel that has two crankshafts linked to two opposed pistons facing each other in a common cylinder. The biggest advantage of this design ...

Could a full-size pickup truck ever get a fuel-economy rating of 37 mpg? California-based Achates Power believes it can, and its novel engine uses a design that dates back to the earliest days of ...

Achates Power, a San Diego company that’s developing a cheaper, cleaner internal combustion engine, said this week that it has raised $35.2 million in a third round of venture capital financing.

General Atomics Aeronautical Systems Inc. said Tuesday the transaction strengthens its capabilities in high-performance propulsion systems and reflects its commitment to advancing propulsion ...

While Tesla, General Motors, Nissan, BMW and other automakers doggedly push to bring battery-powered vehicles into the mainstream, a company called Achates Power is betting that an old technology ...

One year ago at the Detroit auto show, a company called Achates Power unveiled models of a new kind of internal-combustion engine. With opposed pistons in the middle and crankshafts at either end, it ...