Roaring engines are standard fare at a stock car race. What’s the history behind the horsepower and what are the rules now?

How engines work. What is an internal combustion engine? This video is the perfect introduction into learning about how cars work, starting with the most important part, the engine. What parents need ...

What's the difference between a parallel, series, and plug-in hybrid, and why do you need to know? Everything about the technology and the vehicles for the shopper or the merely curious.