Christian von Koenigsegg's namesake company is small, but it builds some of the most advanced supercars in the world. The Regera, for example, is a 1500-horsepower plug-in hybrid that doesn't have a gearbox. It's incredible. What a lot of people don't know, though, is that Koenigsegg has a sister company called Freevalve. And Freevalve is working to sell the world's first camless engine. By getting rid of camshaft and the throttle body, Koenigsegg says you get better power, torque, efficiency, fuel economy, and emissions. It's an engine that can run on multiple fuels, run as a two-stroke, use the Atkinson...