The researchers have found that this kind of energy-taxing "idle listening" is occurring during a large portionof the time phones spend in power-saving mode---as much as 80 percent on busy networks.
The wind power's cost is as much as twice that of conventional power, but because it would be a small portionof the overall energy pool, consumers would see at most a 2.2% increase to their monthly bills, according to estimates in a 2010 report by Massachusetts regulators.
The biggest broadcast event of the year was suddenly jolted by silence and darkness when a portionof the Super Dome in New Orleans lost power early in the game's second half.