You need to check with your local city or state laws to determine if a special liscense is required. Laws vary by location.
Are you talking about these?: http://www.ebay.com/sch/Concession-Trailers-Carts-/67145/i.html?_nkw=food+concession+trailer They look pretty damn expensive, but they are at the best price.
Foods that are served from concession carts are safe to eat IF they are prepared in a sanitary manner. Make sure the server is wearing proper gloves, and their hair is secured. Be sure that hot food has been kept at correct temperatures and cold food has been kept at correct temperatures.
There are a few different names for food service trollies. They are called food service carts, or Queen Mary carts. The carts used for clearing tables are called bussing carts.
You can order a fully furbished food concession trailer at www.customconcessions.com
If your food handlers card is expired and you want to get or keep a job in food service, take the course and test needed to renew your card.
You can find information about mobile food carts on www.entrepreneur.com. There are articles about starting a mobile food cart business. If you are interested in browsing types of food carts, try visiting cmssystem.com.
A lot of airports hire people in the concession industry. They want to be able to provide a variety of food from different companies so they rely on contractors in the concession industry to sell the food.
Best Food Ever - 2010 Fab Food Carts is rated/received certificates of: Australia:PG
Best Food Ever - 2010 Fab Food Carts was released on: USA: 27 June 2010
20
You need a food handlers card, a rotisserie stand, lots of hot dogs, condiments, a concession stand of course and advertisement! Good luck!
eBay offers used concession trailers online. People are able to bid on these.