The main problem with which the EPA is faced is technical in nature. It is not clear yet for the agency, despite what was supposed to be rigorous testing, how would the use of an increased proportion of ethanol in fuels affect models manufactured in between 2001 and 2006.
For the record, the use of a 15 percent blend in models built after 2007 has been allowed. The decision to postpone a similar regulation for older cars has been well received by ethanol producers, the driving forces between the EPA endeavor.
“The problem was with the testing process, not the fuel,” said Tom Buis, CEO of one of the biggest ethanol producers in the US, Growth Energy, said in a statement cited by Autonews. He said the decision show EPA's commitment to do things right.
Separately, Growth Energy expressed its support for the introduction of an E15 label at the pumps as being sufficient for the consumer to know what they are fueling their cars with. Those opposing the label say it will be far from enough to prevent people from fueling their old car with E15.
“E15 will find its way into older vehicles, small engines, and boats with dire consequences for personal safety, irreversible engine damage, consumer confusion, operational problems, loss of manufacturers’ reputations, and warranty arguments,” said Gregory Scott, general counsel for the National Petrochemical & Refiners Association.
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