As every lonely cat lady with a police scanner knows, the price of copper is as high as it's ever been -- and there is no reason this trend won't continue. Of course, this affects more than those creeps that sneak into basements to steal the plumbing: the aforementioned ductile metal is currently the best conductor for on-board power systems in automobiles. But with any luck this might soon change. In order to replace copper with aluminum in power supply systems, several challenges need to be addressed, including the fact that aluminum creeps as temperatures increase, and the corrosive effect of bringing the two materials together. Among the efforts of Technische Universitat Munchen (TUM) and BMW to
