When it comes to grain bin aeration and drying, reliability, operating cost, and ease of use matter just as much as airflow. While many producers are familiar with traditional electric fans, there’s growing popularity for fans that can operate without electricity. We often get asked “Why did you choose propane or natural gas as the fuel source for your Airblast fan? Why doesn’t Wavcor offer a gasoline-powered fan?” Reason #1: Cleaner Fuel = Longer Engine Life Propane and