Green vehicle

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A green vehicle is a vehicle that is considered to be "environmentally friendly." This is accomplished by reducing consumption of petroleum, or, preferably, by using renewable energy sources for fuel/energy. Examples of green vehicles include electric cars, hybrid cars and hydrogen cars. Solar car races are held on a regular basis in order to promote green vehicles and other "green technology".

A conventional vehicle can become a green vehicle of a sort by mixing in renewable fuels. Typical gasoline cars can handle up to 15% ethanol. There are some places that have built cars that run strictly on ethanol, but another option is a flexible-fuel vehicle, which allows a varying mixture (often up to 85%, sometimes up to 100%[link]). Diesel-powered vehicles can often transition completely to biodiesel, though the fuel is a very strong solvent, which can occasionally damage rubber seals in vehicles built before 1994. More commonly, however, biodiesel causes problems simply because it removes all of the built-up residue in an engine, clogging filters.

The EU is promoting the marketing of greener cars via a [combination of binding and non-binding measures]

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