If the high-grade gas commands 20 cents more per gallon, ... he can pocket $200 for selling 1,000 gallons of regular at the higher price.

If you're selling a couple of thousand gallons a week, a penny (overcharge) on a gallon of gas becomes real money pretty fast.

We need to get the price of wind energy down to 3.5 cents per kilowatt,

If crude does not correct downward, then that's the equivalent of another 5 cents per gallon rise.

Saving 50 cents on a gallon of gas was a big deal to Canadians when the price was at $1.50 a gallon, but not nearly as big a deal when it's at $3 a gallon.

only when they're finished pumping gas for paying customers.