Over the roar from a 110-cc, two-cylinder engine, Pinnacle Engines founder James Cleeves (nicknamed Monty), pointed out a window in the block. "You can see the cylinder sleeve moving for the intake ...

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 ...

A year and a half from now, vehicles with engines based on concepts that hark back to the Battle of Britain could start to hit the road. Pinnacle Engines CEO Ron Hoge says the company should be ...

Pinnacle Engines today unveiled plans to commercialize a breakthrough ultra-efficient engine by 2013. The new engine design enables significant reductions in fuel consumption and greenhouse gas ...

A lot of the innovation around next-gen car technology has focused on electric cars and biofuels, but there’s a massive need for technology that can make our current cars more fuel-efficient. On ...

Using an engine design that was largely abandoned after World War II, new engines find fuel savings where big auto companies–weighed down by the inertia of their designs–can’t. Decades of refining ...

That’s right, your prayers have been answered: Someone in Silicon Valley is finally developing an opposed-piston, sleeve-valve, variable-cycle engine for passenger-car use. Yeah, OK, we weren’t ...