Gasoline at the pump may power fuel cells in the family electric car Rethinking Old TechnologyWhat Is a Hybrid Electric Vehicle?Fuel Cell FAQs A hybrid electric vehicle combines two sources of energy such as a battery-powered electric motor and a conventional internal combustion engine, enabling the driver to decide which source of? (Encyclopedia) automobile, self-propelled vehicle used for travel on land. The term is commonly applied to a four-wheeled vehicle designed to carry two to six passengers and a limited amount of cargo? Electric cars are by no means new: Americans began constructing efficient ?electric carriages? as far back as 1890 when William Morrison built one in Des Moines that could travel for 13?