Working Natural Gas in Uderground Storage

Natural gas in storage should be begin to decline over the next month.

U.S. Retail Gasoline Demand

U.S. Retail gasoline sales were nearly flat for more than 15 years, then in 2008, sales declined by more than 66%. Are there fewer vehicles on the road? cars and trucks are more efficient?   Are sales to foreign countries not classified as U.S. sales?
What's the real story?