Mass Transit - Good Idea at $4 per gallon?

A few months ago, I posted an analysis on the cost of commuting by car or commuting by bus.   Because the bus only cut 9 miles each way off my commute, the car was the clear winner.   Now that gas is at $4.00 per gallon and I get 18mpg, they are a wash.  Nevertheless, the bus is a clear winner when one figures in wear and tear.    While I won't take the bus every day, I will take it every week.