Most cars--even electric ones-- sit unused most of the day. What if the power in their batteries could be fed back into the grid so that power companies didn't have to make more power. It's coming, and there's incentive: The power company is going to pay you for it.READ»
Hydrogen fuel cell technology is full of promise, but it's being held back by the problem of storing the dangerous gas safely and efficiently. Some U.S. scientists have been tackling this, and their solution is as ingenious as it ...READ»
