Can you say "price gouging"?

Noticed yesterday that a local gas station, a no-name chain, had jumped the price for regular unleaded from $2.89 in the morning to $3.29 that evening!!! A 40-cents-a-gallon jump! This makes them 20 cents a gallon more expensive than the Exxon just down the road, and the no-name station doesn't even take credit cards!