Nevada,United States

Just a few years ago, 52 inch televisions didn't exist. Now, thanks to dozens of innovations, they're almost boring, and not even that expensive. Oddly enough, they're more efficient than the old CRT televisions...per square inch. The bad news is, as we've been exponentially increasing the square-footage of our televisions, so have we been exponentially increasing their energy use.

British retailer Tesco entered the U.S. market only last year but already it has managed to put Wal-Mart, the world's No. 1 retailer, on the defensive. Tesco fired the first salvo, in a battle that retailing analysts expect will intensify, by launching Fresh & Easy, a chain of 10,000-square-foot convenience stores, in cities across California, Nevada, and Arizona in November 2007. Eleven months later, Wal-Mart returned fire, taking on Tesco in Arizona with the debut of the similar-size Marketside, its first new store format in a decade.

Coffee is well known for being able to power the economic engine that is America's workforce. But its not particularly good at powering actual engines. It's much better at making compost, if you're going to try and find something to do with it.

Coffee is well known for being able to power the economic engine that is America's workforce. But its not particularly good at powering actual engines. It's much better at making compost, if you're going to try and find something to do with it.

AT&T has become the latest Internet service provider to test limits on bandwidth usage, with a trial this month of caps for subscribers in Reno, Nevada.

The company -- the largest Internet service provider in the United States -- said about five percent of subscribers use about 50 percent of capacity.

$1 Per Gigabyte