Get in the queue for the Magic Bus Cafe; food trucks frequent Twin Cities

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St. Paul, MN, USA — The Magic Bus Cafe is one of the many food trucks catering to downtown workers over the lunch hour on July 25, 2011, in St. Paul, Minn. (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — Three years ago, Chris and Cathy Lockyear bought this1978 Chevrolet school bus. Today the vehicle doubles as a commercial kitchen. (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — The inside of the Magic Bus Cafe is decorated with peace signs and pictures of the Grateful Dead. Cathy Lockyear and her husband Chris always have music playing as they cook. On July 25, 2011, the tunes ranged from songs by the Rolling Stones to ballads by John Denver. (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — The food truck specializes in hot dogs -- varying from grass-fed beef to tofu versions. All of the hot dogs are split before grilling. "It brings out the flavors better," says owner Chris Lockyear. (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — Cathy Lockyear jokes with customers through the windows of the Magic Bus Cafe in St. Paul, Minn., on July 25, 2011. "Some people will just stop by to tell us stories about the time they saw the Grateful Dead," says Lockyear. "And that totally makes our day, even if they don't buy a hot dog." (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — Solveig Tofte and her daughter Linnea Ouimet wait for their food order outside the Magic Bus Cafe on July 25, 2011, in St. Paul, Minn. (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — "We love hot dogs because they're a great vehicle for toppings," said Chris Lockyear, chef at the Magic Bus Cafe. The food truck's offerings range from the Buffalo Springfield Dog (a hot dog topped with buffalo sauce, bleu cheese, celery and sour cream) to the Peace Frog Dog (a hot dog with a salad of cucumber, tomato and onion with basil vinaigrette). (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — Chris Lockyear relaxes after serving a crowd of customers at the Magic Bus Cafe on July 25, 2011, in St. Paul, Minn. When he's not grilling up frankfurters, Lockyear works for the restaurant and catering company D'Amico and Partners. He always wanted to be part of the food business -- his eighth-grade career report was titled "So You Want to be a Chef?" (MPR Photo/Nikki Tundel) link to this photo

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St. Paul, MN, USA — Cathy Lockyear stands inside her rolling restaurant in St. Paul, Minn., on July 25, 2011. "Food is our passion," Lockyear said. "And doing this is fun. What more could you want?" (MPR Photo/Nikki Tundel) link to this photo