Academic journal article Yale Economic Review

Ethanol

Academic journal article Yale Economic Review

Ethanol

Article excerpt

Ethanol has been increasingly dubbed as "The Great Green Hope" - the replacement of gasoline as a major fuel source. Although this relatively sustainable alternative may sound attractive, ethanol may actually be harmful and potentially ruin our cars faster.

The Environmental Protection Agency on October 13, 2010 granted the 4ElO" rule to be extended into "El 5" for certain motor vehicles. The ElO rule refers to the maximum mixture of 10 percent ethanol with 90 percent gasoline for fuel. But with a growing effort to promote sustainability, the EPA has been supporting a maximum mixture of 15 percent ethanol with 85 percent gasoline.

However, this mixture of fuel may corrode engines. Of the 250 million vehicles in the U.S., only 7.5 million are actually designed to burn fuel mixed with more than 10 percent ethanol. Disaster even occurred last year when car giant Toyota had to recall 200,000 Lexus vehicles because of internal corrosion caused by higher ethanol -mixed fuel. …

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