The document discusses electric vehicles. It begins with an introduction to electric cars, noting they are propelled by electric motors powered by batteries. It then discusses the various types of electric vehicles and the benefits of electric cars over combustion engines, including reduced emissions and less dependency on oil. The document also covers the historical development of electric cars, when they can be purchased, how they work mechanically, and production costs and timelines for an electric car project. It concludes that electric vehicles have significant potential to reduce emissions if charged from renewable sources.