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C)
machines that carmakers thought it would be the chief fuel. According to line 15, it keeps
engines clean. And while lines 25 26 point out that a car s fuel economy can be less with
ethanol than with gasoline, there is no mention that ethanol performs less splendidly than
gas.
D) Incorrect. According to lines 4 5, ethanol performs so splendidly in internal combustion
D)
machines that carmakers thought it would be the chief fuel. According to line 25, ethanol
does not take the vehicle as far as a gallon of gas. But there is no mention that it is more
or less unreliable than gas.
E) Incorrect. According to lines 9 10, ethanol is appreciably less deleterious to the
E)
environment than gasoline. The expense of gasoline would not cause the environment to
change. According to lines 22 23, the price of ethanol fluctuates on a different cycle than
gasoline; therefore, at ethanol is more expensive than gasoline, and at times it is cheaper.
So, ethanol is not less expensive than gas.
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