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The book says that the new fuels scientists are developing are mostly organic compounds like ethanol. Why are we researching fuels like these if they still contribute to global warming and require significant amounts of energy and water to produce? Why aren't we pursuing clean energies like solar and wind more?
Ethanol is a byproduct of the fermentation of plants, which makes it readily available. We will always have a fuel source if we are producing plants. Although they still contribute to global warming, our society cannot immediately switch to fuel sources powered by solar, nuclear or wind/water because they are not always efficient and take massive amounts of energy. Not to mention, ALL forms of energy currently contribute to global warming to some degree because of their mechanic production and upkeep of infrastructure. We are better off having a segway into better forms of fuel, which I believe is why scientists are leaning towards ethanol fuel.
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