Take a look at the world's most inventive hybrid cars in How Electric and Hybrid Cars Work. Discover how a hybrid engine is structured and how its different parts work, the different types of hybrid car available, how hybrid cars provide a green alternative to gas and oil powered cars and the revolutionary new hybrid cars that we could be driving in the future.Explore the world's most revolutionary and exciting ecological developments in Eco Works. This series for 9+ readers examines how green technology is finding inventive solutions to some of the most pressing problems facing us today. From sourcing sustainable energy and reducing our carbon footprints through to creating recycling processes and community gardens that provide our growing urban populations with green space and food, find out exactly how and why 'eco works'.