Gas prices are jumping almost 10 cents a week nationwide.

For food truck owners there's no way around it, as it takes a lot of fuel to run their businesses.

Brian Seely owns the Herban Legend Mobile Cafe.  He set up shop Thursday near Johnson and Wales.

"Mileage-wise, I've never put a clock to it, but it seems like we're always on the road,” Seely said.

Seely has two trucks, which means he's paying twice the cost for fuel. Each truck has a 30-gallon gas tank and generator that runs with a 30-gallon diesel engine. Plus, he uses propane gas for cooking.

Typically, Seely said, he would spend $500 to $600 a week on fuel. With the steadily rising gas prices, that cost has now increased by about $150.

While the customers eat his food, Seely is eating the cost of rising gas prices because he said he doesn't want to pass the cost onto customers.

"You can't change the prices every time the price of gas goes up and down," he said. "You have to keep a consistent menu, consistent prices."

Aeisha Williams is a regular. 

"I'm kind of upset that the gas prices are so high because I appreciate the fact that he doesn't pass it on to his customers, but it’s not fair to him,” she said.

To get some relief, Seely is now looking into switching his diesel engine to a biodiesel engine that burns renewable fuel made from animal fats or even the vegetable oil he uses to cook with.

"As long as fuel-cost wise it will be less or the same, I'll make the switch,” Seely said. "It will be better for the environment and I won't have to stop at the gas station as much."

Channel 9 looked at average gas prices around the country. The average is $3.57 in South Carolina and $3.72 in North Carolina. Drivers in Wyoming are paying around $3.19 a gallon. It's costing around $4.17 per gallon in California and $4.28 in Hawaii.

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