by Frank Froggatt If you are looking to make your RV completely self-contained, then you are going to be definitely looking for an RV generator for sale. While looking for these generators you need to be aware that there are three common types and of these are: a generator that runs on gas, a propane generator, and a diesel generator. The gas generator may run into problems after one month of purchase if it sits idle and is not used and exercised. So monthly exercising of your new generator