Oct 24, 2014 P&G announces plans to spin off Duracell.
Oct 17, 2014 Better batteries are the key to better consumer electronics and electric cars.
Sep 8, 2014 Tesla is relying on fab efficiency to cut prices on an established type of battery.
Stacey Vanek Smith
Jul 28, 2014 Why Nissan is willing to lose money on the Leaf.
Jul 15, 2014 An entrepreneur looks to fight illegal loggers, one used cellphone at a time.
Jul 2, 2014 Check your bill. "Cramming" goes back decades -- and costs billions.
Jul 2, 2014 A group founded by angel investors seeks efficiency in developing new batteries.
May 22, 2014 New York City has about 10,000 public payphones. But who's using them?
Apr 16, 2014 Batteries are hard to develop because they live in the world of material science.