Low Gasoline Prices, What are Consumers Doing with the Extra Cash?

Knowing where the consumer is spending is normally not public information. Google Trends tracks the frequency of terms searched on their website and reports it as an index. Although web search terms are not a guarantee that a purchase was made, it's a good insight into the consumer's thoughts. And a great indication of when and where advertising companies should advertise. Could there be a possible relationship between some web search terms and gasoline prices?