I thought I knew a lot about pigs because my uncle owns a pig farm, but I learnt a lot more about pigs in class today. The most interesting part was that their fat can be used for bio-fuel. I was not sure what "bio-fuel" meant so I went up on the Internet to get information.
Bio-fuel is gas or liquid fuel made from plant material (biomass). It includes wood, wood waste, wood liquors, peat, railroad ties, wood sludge, spent sulfite liquors, agricultural waste, straw, tires, fish oils, tall oil, sludge waste, waste alcohol, municipal solid waste, landfill gases and other wastes.
I think it is a good thing that we can now use pig fat to make fuel it may be good for the environment.
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