Customers walk out of Street Boutique, parked in Shirlington Village, Va. Street Boutique is a pop-up truck that's similar to the many food trucks in the area, except it sells clothes and jewelry. James Clark/NPR hide caption

itoggle caption James Clark/NPR

Bitcoin isn't just for shady business — it can also buy you some delicious goodness. The Old Fitzroy pub in Sydney is one of many food and drink businesses beginning to accept bitcoins as a valid method of payment. Cameron Spencer/Getty Images hide caption

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The restaurant Equinox served a Sunday brunch on Jan. 20 featuring courses inspired by President Obama and Martin Luther King, Jr.'s favorite foods, including this salad of citrus cured arctic char with watermelon radish, mache leaves and lobster vinaigrette. Daniel M.N. Turner/Daniel M.N. Turner / NPR hide caption

itoggle caption Daniel M.N. Turner/Daniel M.N. Turner / NPR

Portland-based GO Box, a service that provides and cleans reusable take-out boxes for local food trucks, hopes to keep some of the city's food waste from going in the dumpster. iStockphoto.com hide caption

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New Haven Public Schools' summer food truck will deliver an expected 40,000 free meals to kids in eligible neighborhoods during July and August. Timothy Cipriano/New Haven Public Schools hide caption

itoggle caption Timothy Cipriano/New Haven Public Schools