Alternative Fuel is a full service coffee house with an espresso bar as well as fresh fruit smoothie bar and eatery. Our location on Main Street Square in downtown Rapid City allows us to be in the middle of all the action our beautiful and historic downtown sets up. Whether you’re listening to a concert, playing in the fountains or ice skating, we’re there for your espresso, smoothie and food needs. Our hours are 7 a.m.-7 p.m., Monday-Friday; 8 a.m.-7 p.m,. Saturday; and 10 a.m.-5 p.m., Sunday.