As our world's population grows, so to does our need for energy. Scientists seek the next breakthrough in new technology while constantly finding ways to make current solutions cheaper and more efficient. In this title, discover what hybrid and electric vehicles are, their history, how we use them today, and how new technologies can contribute to our energy future. Learn about exciting new ways to power cars, including plug-in hybrid technology, lithium batteries, fuel cells, and solar-electric systems. Sidebars, full-color photos, full-spread diagrams, well-placed graphs, charts, and maps, stories highlighting innovations in action, and a glossary enhance this engaging title. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.