The Nano Bee, created by engineer Ronald Valentine, is a diesel engine smaller than a quarter but powerful enough to to spin a model-plane propeller.

You need lots of cubic inches for lots of power, right? Well, not really. Here are 10 cars with small engines that make big power, and can hit 150 mph ...

Is all that classic macho car chatter about V8s, horsepower, and “muscle” disappearing? Now, amid $4 gas and government requirements for cars with better mileage, car manufacturers are pumping their ...