Most of the electric motors we see these days are of the electromagnetic variety, and for good reason: they’re powerful. But there’s a type of motor that was invented before the ...

A technology pioneered by Benjamin Franklin is being revived to build more efficient electric motors, an effort in its ...

but they're not really able to run at high engine speeds like SOHC or DOHC motors. Here's how an overhead valve engine works, according to Cars.com: [T]he valves, which open and close to let the ...

India's largest automaker, Tata Motors, announced this week it will partner up with MDI of France, a technology invention company, to develop engines powered by compressed air.