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Summary: Our automobile culture is devastating for the environment, but private passenger vehicles are unlikely to disappear from our roads anytime soon. Greener cars and fuels will be a necessity for many years to come. This is a guide to greening your personal driving habits by dramatically improving the efficiency of an existing vehicle using simple measures such as trip planning and regular maintenance to improve fuel economy. This handy guide also explores the most promising new green cars and trucks, including electric vehicles, hybrids, plug-in hybrids, and natural-gas cars. And it critically examines sustainable fuels including ethanol, biodiesel, straight vegetable oil, hydrogen, and biomethane, evaluating each according to a set of established criteria. Each green fuel source must: be socially, economically, and environmentally sustainable; have a high net energy yield; be clean, abundant, renewable, affordable. Don't let your dream of greening your transportation idle Chr(45) this book will guide you through the myths and misconceptions and provide clear options for the road to a more sustainable future.