petrol - a liquid made from petroleum and used as fuel, hydroelectricity - process which produces electricity from fast-moving water, solar power - a process which produces electricity from the sun, diesel - a type of heavy oil used as fuel, canola oil - a type of rapeseed oil which can be used as a biofuel, wind turbine - a tall structure which generates electricity from fast-moving air, biofuel - a fuel that is made from the waste of living things,

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Automatikus mentés visszaállítása :?