Alternative energy sources

Alternative energy sources for Singapore:

Biofuels:

Alcohol,Biomass,Vegetable oil,Biodiesel,Ethanol fuel.

Pros:Abundant,cleaner burning

Cons:Need land ,burning results in air pollution

Solar panels

Convert sunlight to electricity

Convert sunlight to heat water or air

Pros:Abundant,no fuel used

Cons:Expensive,not available at night

Tidal power

Long term source of electricity,more predictable