• Would Cummins’ 1,000 Horsepower Military-Spec Diesel Engine Fit In Your Pickup Truck?

    Something is brewing at Cummins: a 1,000-horsepower beast of a diesel engine specially ordered by the U.S. Military. This engine has just four cylinders but eight opposed pistons, and it is almost a perfect square. I know the question I’m asking is: Could I put one in my pickup truck? Here’s what swapping in a 1,000-horsepower opposed-piston Cummins would take–and ...
  • Is This Weirdo “One-Stroke” 4-Cylinder, 8-Piston Engine the Next Big Thing?

    Eight opposed pistons in four cylinders making 120 hp from 0.5 liter? Is it too good to be true? Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. “Not a four-stroke, not a two-stroke, a revolutionary one-stroke engine!” Well, that claim is utter hokum here. The combustion ...
  • Ricardo collaborates with Achates Power and ARPA-E on next generation engine for light duty vehicles

    Ricardo, a global strategic, environmental, and engineering consulting company, has worked in collaboration with Achates Power, one of the world’s leading engine design companies to develop the next generation of opposed-piston gasoline compression ignition engines for light duty vehicles. The multi-phased project (‘BERYL’), funded by the US Government’s Advanced Research Projects Agency-Energy (‘ARPA-E’), aims to create a fuel efficient, lightweight ...
  • Cox Marine and the diesel outboard

    Charles Good recounts the moment that quite literally sparked the beginnings of Cox Marine. The year was 1966. Charles was a 20-year-old aboard his mother’s wooden sailboat, anchored off Greece’s Ionian Islands. He was decanting gasoline into a smaller container when he spilled a significant amount on the deck. Almost immediately, the liquid erupted into flames after coming in contact ...
  • Machinery Focus: Re-thinking the engine with opposed-piston 2-stroke

    The standard four-stroke engine has served humanity well and continues to do so, but it is not the only format available to engine designers; the opposed-piston two-stroke is now ripe for a comeback. Great strides have been made over the years to bring the present crop of internal combustion engines to a degree of performance that would have been unthinkable ...
  • ARAMCO TO COLLABORATE WITH RENAULT AND GEELY ON HYDROGEN

    Within the framework of the Horse entity, which brings together the engine activities with the Chinese company Geely, Renault will welcome a new shareholder. The Saudi Aramco intends to invest and bring its experience in hydrogen. At the time of the first rumours about the separation of Renault’s engine and electric vehicle activities, the name of Aramco had been mentioned. ...

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