Fossil fuels vs. alternative energy and vehicles. How do hybrid vehicles help the planet? Electric vehicles?
Alternative energy is energy derived from sources that do not use up natural resources or harm the environment, whereas fossil fuels are natural fuels such as coal and gas, formed in the geological past from the remains of living organisms. Hybrid vehicles can help the planet because they come equipped with a gasoline-burning engine as well as a battery-powered electric motor. The batteries recharge as the car drives, through converting kinetic energy into stored chemical potential energy whenever the brakes are on.
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