Innovative Technologies investigates the unfolding technologies and engineering accomplishments that are taking alternative energies and efficiencies further into the twenty-first century. The series explores the history of these technologies and the science and engineering behind them, then introduces key breakthroughs in each field. Readers will learn about whether these new technologies will offer solutions to our current fossil fuel crises and dependencies, answering the questions: At what costs? What are the risks and potential roadblocks? Who is championing the cause for each? What benefits does each innovation offer? And when might these innovations reach the marketplace? 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.