The High Output “Massive Yet Tiny” Swing-Piston Engine

Imagine dumping the big V-8 in your SUV for a 25-pound, 2.4 liter engine that gets 150 miles per gallon on biodiesel. We join Raphial Morgado to learn about the Massive Yet Tiny engine — a swing-piston or toroidal engine design he claims will deliver up to 40 times the power-to-weight ratio of a conventional engine, along with flexible fuel compatibility and the torque of a 32-cylinder engine.