乜野係Alternative Fuel呀?~ 有冇人知?~幫幫忙啊~

TIDAL ENERGY
GEO-THERMAL ENERGY
NUCLEIC ENERGY
SOLAR ENERGY
HYDROGEN
HYDROELECTRICAL ENERGY
..SO ON

ALTERNATIVE->CAN BE RECYCLED TO USE
->APART FROM THE FUEL THAT WE USE NOWADAYS(OIL,COAL)