Answer I need a place to park my rv and missed registration my mom is sick and in new York on dialsys we. If you exchange your propane tank you don't get credit for anything you had left in the tank. RVshare makes it easy to find an RV rental that has the necessary waste tanks and disposal options to meet your requirements. How to Empty an RV Propane Tank. Or you could go to any RV dealership, gas station, or RV campground that you pass on the road. Propane Filling Station Tank Exchange Rockford Il. Find A Local Propane Refill Station Near Your Area. Both company websites host store location features. Visit the nearest store today or call your local supplier for today's propane price. Propane Gas = (LP) In this video, I'm using an Rv propane tank service at a gas station, but there are tons of Rv propane tank refill locations.