"Last year, author Jennifer Lewis surveyed 539 food truck owners across the country with a simple question: Are you happy that you're doing this? Ninety-seven percent said they wouldn't want to do anything else. But an almost equal number reported that the business is harder than they had expected."

Here's a great article on some insight into the Food Truck boom and how they feel it came from the recession and people's ongoing love of gourmet foods.