Dresser Wayne is reassuring its partners in advance of an expected blending-level increase by the Environmental Protection Agency that its standard pump dispensers "have always been warranted to handle" gasoline blended with up to 15% of ethanol. However, the Underwriters Laboratory approval for its pumps only applies to E10, the company said. "It is unknown whether UL will change their position to reflect the increased ethanol allowance for standard equipment which is expected to be announced by the EPA this summer," wrote Scott Negley, Dresser Wayne's director for alternative-fuel products, in a letter to company partners.

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