Three types. According to the query on the Pacific Automotive Network, there are three types of fuels supplied by Malatang carts and snack carts, namely electricity, coal and natural gas. The Malatang snack cart is a multi-functional food cart that integrates spicy hotpot, bubble hotpot, smokeless barbecue, teppanyaki barbecue, casual fried snacks, hot and sour noodles, rice noodles, pearl milk tea and other snacks.