What's So Bad About Gasoline?: Fossil Fuels and What They Do (Let's-Read-and-Find-Out Science 2)

Oil powers cars, heats our homes, and is even used to grow crops! Around the world, billions of gallons of gasoline are used every year. But the supply of oil is limited, and burning fossil fuels hurts the environment. So what are the alternatives to oil energy, and what will happen to the earth if we keep using more and more gasoline? Read and find out!