Analyst: Summer gas means better fuel economy - WTOC-TV: Savannah, Beaufort, SC, News, Weather & Sports

Analyst: Summer gas means better fuel economy

SAVANNAH, GA (WTOC) -

The annual climb in gas prices that goes with the transition to summer blend gasoline rattles consumers, but there are benefits to the blend.

Reformulated Gasoline is blended to burn cleaner than conventional gas to reduce emissions.

"The summer gasoline requirement was a critical part of the Clean Air Act. It was approved with overwhelming support by Congress and signed into law by President George H.W. Bush in 1990. At the time, the three major environmental threats were acid rain, urban air pollution, and toxic air emissions. That's why the Environmental Protection Agency regulates the volatility of conventional gasoline sold at retail stations during the summer smog season (June 1- Sept. 15) to reduce evaporative emissions that contribute to smog," said Patrick DeHaan, senior petroleum analyst with GasBuddy.com, in a news release.

He suggests checking your mileage to see the benefits. Cars like warm weather a lot better than cold weather.

Gasoline sold in warmer months has a higher energy content which results in better gas mileage, DeHaan said.

"Of course, in warm weather your engine reaches normal operating temperature faster so fuel economy improves. Heat reduces your oil's viscosity and that reduces drag on the engine and increases your gas mileage. Your car's engine operates more efficiently when the oil flows like water, not sludge."

View the EIA map of U.S. summer gasoline requirements.  

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