REQUENT rises in fuel prices and advanced methods of refining conventional fuels from crude oils pose a threat to the environment and calls for a search to find cost effective and environmentally cautious methods of finding alternative fuels and improving engine‘s efficiencies in fuel combustion [1].
A study has shown that Landfill gas (LFG) receives a great deal of attention due to both negative and positive environmental impacts, global warming and a green energy source, respectively. Due to the exhaustion of landfills, continuous complains from the people living in the vicinity of landfills, and environmental impact of landfills [2], like all methods of waste disposal, landfilling imposes both financial and external cost on society. Financial costs refer to actual