Synthetic fuels do not occur in nature but are made from natural materials. Gasohol, for example, is a mixture of gasoline and alcohol made from sugars produced by living plants.
Although making various types of fuel from coal is possible, the large-scale production of fuel from coal will likely be limited by high costs and pollution problems, some of which are not yet known.
The manufacture of alcohol fuels in large quantities will likely be restricted to regions, such as parts of Brazil, where a combination of low-cost labor and land, plus a long growing season, make it economical. Thus, synthetic fuels are unlikely to make an important contribution to the world’s energy supply anytime soon.
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