I used to work as a delivery driver for a propane company. Ice is no problem. Tire chains made from hardened steel with V-grips welded to the chains will get you over any ice. What IS a problem is thick hard-packed snow. If you don't ever plow your driveway and just keep driving over it and tramping the snow down, that's fine for a car. However, a truck loaded with five tons of propane will push through the packed snow and will get bogged down. It doesn't help that the packed part is always the width of a car, not of a propane truck. If you want to be sure you can get propane or oil delivered all winter, keep your driveway plowed, and plowed nice and wide.