Food truck which is called kitchen car in Japanese is a popular place to buy especially lunch around business district in Japan. Food truck is also available at industrial areas and residential areas. Actually food trucks at residential areas are getting popular since the COVID-19 crisis.
Food trucks are also can be seen at festivals or large events, parks and also at shopping centers and outlets. Although food trucks at business districts or industrial areas sell proper meals, food trucks at shopping centers and outlets sell more snacks and sweet foods such as crepes.
Food truck usually does not accept cashless payment, usually cash only. Then, usually offer more non-Japanese foods than authentic Japanese ones.