You know what's great?  Food trucks.  They don't just sell greasy diner food anymore.  A lot of them sell gourmet food these days.
Sorry, what is a food truck? Does it deliver food to your home?
No, a food truck is a large truck or trailer with a big window on it where they sell food.  The kitchen is entirely on board.  You see them selling hot dogs at baseball games and stuff.
Is it a popular form of food? Do they cook for you or are the food precooked? 
They mostly prepare and cook from scratch these days.  Some of them are truly like little restaurants on wheels, and some are getting highly rated even from restaurant critics.
Wow, must be really good food then. Are they a franchise or privately owned?
Food truck
A food truck is a large vehicle equipped to cook and sell food. Some, including ice cream trucks, sell frozen or prepackaged food; others have on-board kitchens and prepare food from scratch. Sandwiches, hamburgers, french fries, and other regional fast food fare is common. In recent years, associated with the pop-up restaurant phenomenon, food trucks offering gourmet cuisine and a variety of specialties and ethnic menus, have become particularly popular. Food trucks, along with portable food booths and food
Food trucks in South Korea
A food truck is a large vehicle equipped to cook and sell food. Many food trucks operate in South Korean cities. Some, including ice cream trucks, sell frozen or prepackaged food; others have on-board kitchens and prepare food from scratch. Sandwiches, hamburgers, french fries, and other regional fast food fare is common. In recent years, associated with the pop-up restaurant phenomenon, food trucks offering gourmet cuisine and a variety of specialties and ethnic menus, have become particularly