"As concern about global warming grows, electric cars powered by clean technology seem like the ideal replacement for carbon-burning gasoline or diesel engines. Since 2000, automotive companies worldwide have strived to improve the range and efficiency of electric cars. Much depends on outside factors, such as the price of oil, government support, and consumer tastes. Electric cars account for only a tiny fraction of all automobiles on the road. This book introduces students to this complex issue"--Provided by publisher.