Food truck growth in the u.s

Here is an interesting article that breaks down the growth of the food truck industry across the U.S.  It includes a map of popular food truck cities and its good to see that Denver is one of the most popular food truck cities.  The article also breaks down annual food truck revenue, food truck cost, and average meal cost.  Whether your currently operating a truck or you are looking to get into the business this article has some very useful information. 
zerocater.com/blog/2017/06/08/street-food-stepping-up-food-trucks-continue-to-drive-interest/