HOUSTON (AP) - Retail gasoline prices across Texas continue their slide and are down another nickel a gallon this week to average $3.51.

AAA Texas reports Wednesday that's 17 cents a gallon below the nationwide average of $3.68, down from $3.72 a week ago.

The travel association survey finds Amarillo has the least expensive unleaded fuel in Texas, at $3.41 per gallon. El Paso is the highest at $3.65.

A year ago, the state average was $3.75 and national average $3.84.

The record high average for Texas is $3.98 in July 2008.

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