What are some alternatives to the conventional piston engines in cars, airplanes, ships, etc, which have been contributing to the deterioration of the global environment?



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    The most promising new possibility is to simply change the fuel of the car – that is, equip vehicles with electric engines. Conventional piston engines are pretty much as efficient as they are going to get. Electric vehicles can run on cleaner fuels than the traditional gasoline-powered cars, which are heavy carbon dioxide emitters. Development in electric cars is well underway, and hybrids are already marketed to the average consumer, but there is also research into ships and planes.

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