As the mortgage crisis drags down major financial institutions and the credit crunch gets tighter, the US economy is in a state of flux that's sending ripples through the financial world. Tag your material with "US Economy" for it to appear here.
Conventional power lines are expensive, ugly and wasteful, they can lose 14 percent of their energy from the resistance of the copper cables. A major aspect of the "smart energy grid" is a new set of long-distance...