Gas prices have been rising for 10 straight weeks.

Over the last decade, the price of gas has moved higher while wages have been driven lower. 

Here's a sad chart plotting how many gallons of gasoline can be bought at average U.S. hourly wage since 1998, from Reuters by way of Marc Chandler.

chart of the day, gallons of gasoline that could be bought with an hour's worth of wages, septemberg 2012