Forbes contributors publish independent expert analyses and insights. I cover innovation within the green/blue industrial revolution. The engines on ships are some of the most powerful in the world, ...

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 ...

Horizontally-opposed engines are often referred to as "boxer" engines because the motion of the pistons sort of resembles a boxer, punching. Really, though, if any engine should be named for a boxer, ...