Bio fuels have recently become popular as an alternative to fossil fuels and it only cost 17p per kwh (Kwh is a way to measure energy, pronounced kilo whats) Where as coal cost 20p per kwh. Crops can produce a maximum of 7kwh per person per day.
Bio fuel is 40% efficient unlike coal is 30% efficient. people can also choose from plant and animal waste to get their electricity.Bio fuel is very reliable because plants and animal waste is in constant supply.
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