Before revision: The fastest drive-through of 2020 in the United States was Taco Bell, with an average time of 4.46 minutes, followed by KFC with 4.53 minutes, 4.76 minutes at Carl's Jr
After revision: .The fastest drive-through of 2020 in the United States was Taco Bell, with an average time of 4.46 minutes, followed by KFC with 4.53 minutes, 4.76 minutes at Carl's Jr