Question

Why are alternative fuels called green energy?

Answer 1

Alternative fuels refer to energy sources that are constantly replenished on a day to day basis, as opposed to fossil fuels, which take millions of years to replenish. Such 'green energy' sources include tidal, wind, geothermal and solar energy.

Answer 2

alternative fuels refers to energy resources that are constantly replenished on a day to day basis. such as tidal energy, solar energy wind energy etc.