Presents information about automobiles that work on two different fuel sources, including their history, why they are needed, how they work, and possible future developments.Title: How Hybrid Cars WorkAuthor: Swanson, Jennifer/ Mullaly, Glen (ILT)Publisher: The Childs World IncPublication Date: 2011/08/01Number of Pages: 32Binding Type: LIBRARYLibrary of Congress: 2011010917