US approves more ethanol in petrol

2010-10-13 22:38

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Washington - The US Environmental Protection Agency has approved blending higher concentrations of ethanol into gasoline for newer vehicles, allowing the maize based fuel to be up to 15% of mixtures sold at the service station pump.

The current maximum blend is 10%. The EPA announced on Wednesday that the higher blend will be approved for cars and light duty trucks manufactured since 2007, if retailers want to sell it.

"Thorough testing has now shown that E15 does not harm emissions control equipment in newer cars and light trucks," EPA Administrator Lisa Jackson said in a statement.

"Wherever sound science and the law support steps to allow more home grown fuels in America's vehicles, this administration takes those steps."

The move, which comes less than a month before November's elections, is politically popular in rural farm areas. But ethanol faces strong opposition from the auto industry, environmentalists, cattle ranchers, food companies and a broad coalition of other groups.

Opponents argue that the increase in production of maize and its diversion into ethanol is making animal feed more expensive, raising prices at the grocery store and tearing up the land. Manufacturers of smaller engines - used in everything from lawn mowers to boats - also oppose increasing the use of the fuel, saying those engines are not designed for the higher concentrations.

The Obama administration has remained supportive of the renewable fuel, and the EPA has said a congressional mandate for increased ethanol use can't be achieved without allowing higher blends. Congress has required refiners to blend 136bn litres of biofuels, mostly ethanol, into auto fuel by 2022.

Testing

The ethanol industry has maintained that there is sufficient evidence to show that a 15% ethanol blend in motor fuel will not harm engine performance. They say increased consumption of the renewable fuel creates new jobs and replaces imported oil.

The industry group Growth Energy petitioned the EPA to raise the blend in March. The decision was initially expected in December but was delayed twice as the agency and the Energy Department completed additional testing.

The EPA is expected to make a second decision on the ethanol concentration allowed in cars manufactured between 2001 and 2006 after more testing is completed at the end of November.

The agency said there will not be a decision this year on ethanol changes for cars and light trucks manufactured before 2001 - or for any motorcycles, heavy-duty vehicles, or non-road engines - because there is not sufficient testing to support such an approval.

The decision could cause confusion at service stations as people would have to consider which pump to use based on the age of their car. The EPA said it will also propose new pump labelling requirements to help consumers figure out which gas to use.

Critics said the decision could be a frustration to drivers.

"We're really going to make the consumers a guinea pig here," said Craig Cox of the Environmental Working Group, an environmental advocacy group that opposes increases in the fuel. 

"Have we really thought through what it's going to take to distinguish E15 to E10?"

The Obama administration's decision to boost the ethanol concentration in petrol is a victory for the industry as it struggles to hold on to other subsidies.

An increased public scepticism of the renewable fuel has caused some lawmakers who have always championed ethanol to divert the money to other priorities.

A key tax credit is scheduled to expire at the end of this year, and some in Congress are considering cutting it or doing away with it altogether.

- AP
Read more on:    us  |  environment
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