Half of the steels sold today were not available 10 years ago. If the Sears Tower was being built today, the steel in it would weigh 30 percent less. About 20 cents per pound for most steels. All of this has been made possible through the application of the most advanced manufacturing technologies and business practices. The steel mill of today has very different equipment and is operated and managed very differently than it was just a few years ago.
Steel is an environmental leader.
The automobile that is junked today will probably be a refrigerator before the year is out. This results in an enormous savings in cost, energy, and raw materials.