Opposed-piston engine technology has been touted as a possible alternative to conventional engine designs for years. Now, opposed-piston engine developer Achates Power reports that its 10.6L ...

Argonne, which is partnering with Achates Power to develop a hydrogen-powered engine, recently began testing the engine in Argonne’s state-of-the-art facilities. In a groundbreaking demonstration, ...

Ferrari continues to explore hydrogen-powered drivetrain solutions, patent documents discovered by AutoGuide.com indicate Ferrari is looking at a two-stroke 3- or 6-cylinder opposed piston engine ...

As automakers scramble to develop more efficient engines to meet increasingly tight fuel economy regulations, one company is claiming its new technology will change the auto industry. “[Our] engine ...

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 ...

Achates Power’s cleaner, heavy-duty diesel engine it developed in a project funded by the California Air Resources Board and several partners has entered fleet service with Walmart in a Peterbilt 579 ...

It may end up being one of the most innovative engines passed over for mass production. The Achates Power 10.6-liter opposed-piston diesel engine made headlines recently for becoming the first oil ...

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 ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

DETROIT -- EcoMotors International, the suburban Detroit company developing an opposed piston-opposed cylinder engine, has signed a $200 million (1.2 billion yuan) deal to build the engines in ...