Read the article. Obama didn't say he had anything to do with low gasoline prices.
“As Democrats, we believe in reducing our dependence on foreign oil and protecting our planet,”
Obama told the DNC. “Today, America is number one in oil; number one in gas; number one in wind power.”
“Every three weeks, we bring online as much solar power as we did in the entire year of 2008,” the president said. “And thanks to lower gas prices and higher fuel standards, the typical family should save about 750 bucks at the pump.”