Hybrid cars have been getting a lot of buzz the last three or four years, and now with the soaring cost of oil and gasoline, hybrids are expected to get hotter than ever. Here are some Questions and Answers about hybrids. 1. What is a hybrid car A vehicle is a hybrid when it combines two or more sources of power. Hybrid cars almost always have a gasoline engine and an auxiliary electric motor system that runs off rechargeable batteries. We normally assume that the p...