Over the past week, average gas prices dropped below $3 in several midwest states.  Gas is now below $3.50 per gallon (on average) everywhere but Alaska and Hawaii.  The Associated Press published an article on the likely trend for gas prices in the months to come.  Below is the trailing 12 month price average from AAA. 

While prices should stay low for the next couple of months they are likely to trend back up in the Spring.  Coupled with a period of general belt-tightening due to the broader slowdown in the economy, demand is likely to stay high for cost effective alternatives to driving alone.  Here is the 12 month moving average for vehicle miles traveled going back to 1983.