Catering to more than twenty million truckers, truck stops are bigger and better than ever. These mega-pit stops are essential to the trucks and truckers that haul eight billion tons of freight annually. Tour the world's largest truck stop that offers fuel, food, parking, private showers, a movie theater, a dentist office, and a barbershop. Look at how 18-wheelers can power up their elaborate living quarters without idling their engines by plugging into their parking space with truck stop electrification. See how 20,000-gallon underground diesel storage tanks are installed. Take a look at the future of truck stops and see how the industry is preparing for the imminent use of biodiesel.