Aluminum is the most abundant metallic element in the Earth's crust. Bauxite ore is the main source of aluminum. Aluminum is used in automobiles and airplanes (36%), bottling and canning industries (25%), building and electrical (14%) and in other applications (25%).
A: The average propane consumption per year for whole-house heating is estimated to be between 1200 and 1500 gallons per year for a 2,200 square foot home. However, the amount of propane a household uses varies depending on its specific uses in the household.
KIM KOMANDO: 3 ways to lower winter electric bills. In the Midwest, the average projected tab for heating homes with propane is $2,212 this winter, compared with $1,333 for the 2012-2013 season. In the Northwest, it's even higher, $2,412, but that's less of an increase from the $1,940 of the prior year.