Mazda's five-decade-long, largely futile efforts on behalf of the rotary engine demonstrate how difficult it is to unseat the conventional piston engine. Yet new concepts continue to emerge, ...

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 ...

The 10.6-litre, 2-stroke, 3-cylinder, opposed-piston Achates engine already meets 2027 regulations while being lighter. But hey, relax. That company also said that by 2030 50% of its new vehicle sales ...

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 ...

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 ...

Diesel is dead? Not quite yet. Achates announced Friday that it has produced a heavy-duty, two-stroke diesel engine with near-zero emissions that costs less than a conventional engine and is expected ...

Greencarcongress – Achates Power, the developer a two-stroke, compression-ignition (CI) opposed-piston (OP) engine, is presenting performance and emissions results of the Achates engine used in a ...

Opposed-piston engines can be much more efficient than todays gas and diesel engines. With two pistons per cylinder, working in opposite reciprocating action, these engines do not need cylinder heads ...

Earlier this summer we told you about Achates Power’s efforts to use advanced technology to revive a novel World War II “opposed-piston” engine design for automotive use. This week, that vision got an ...

SAN DIEGO, Nov. 1, 2011 /PRNewswire/ -- Achates Power, a developer of radically improved internal combustion engines that increase fuel efficiency, reduce greenhouse gas emissions and are lower cost, ...

BELOIT, Wis. & SAN DIEGO--(BUSINESS WIRE)--The leading manufacturer of opposed-piston engines, Fairbanks Morse Engine, an EnPro Industries (NYSE: NPO) company, has signed a joint development and ...

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