Electric and hybrid cars use less fuel than conventional cars--but fuel economy is only one consumer consideration when choosing a new vehicle. Speed, cost, and even convenience also play a role, even if these aspects of a car mean it's less eco-friendly. Full-color photographs of hybrid engines, batteries, and solar-powered cars will draw readers in while they learn about this fascinating new car technology. Including accessible explanations of the greenhouse effect, carbon emissions, and the creation and use of fuel, the main content will help readers shape an informed opinion about the many positives and negatives about electric and hybrid cars. Readers will gather even more knowledge from sidebars focusing on specific topics and conservation information from fact boxes offering important ecological points of view.