Five Striking Images Show How Solar Lanterns Are Transforming Life off the Grid

For those who struggle to imagine life without a slew of wifi-enabled devices at the ready, it’s sobering to think that a billion people worldwide lack electricity. But that’s starting to change. As developing countries build the infrastructure needed to power major cities, the rural poor are pulling themselves out of… »10/20/15 8:20pm10/20/15 8:20pm

Australia is the First Country to Get Tesla's Powerwall Battery

That’s right, Tesla’s much talked about Powerwall — the battery that can power your entire house — will be available in the Australian market from late this year. Tesla, the company best known for its Model S electric sedan, is launching Tesla Energy in Australia, which will bring products including both the… »9/19/15 11:00am9/19/15 11:00am

LA is Going to Have the Largest Electric Vehicle Fleet in the Nation

Los Angeles is working hard to reduce its carbon footprint, and a new city-operated fleet of electric vehicles is going to help it do so. Mayor Eric Garcetti has just announced his intentions to lease 160 pure battery EVs — a move that would position LA as proud owner of the largest electric fleet in the nation. »9/11/15 8:35pm9/11/15 8:35pm

Tesla's Next Big Product Is Coming On April 30: Batteries

When Elon Musk makes his next big announcement later this month he won’t be joined by an electric car or a space-bound capsule. Tesla will finally be passing along details on its long-awaited batteries designed for home use, plus a “utility-scale” battery as well—both of which will likely be manufactured in its new… »4/22/15 10:12am4/22/15 10:12am

Fast-Acting Nuclear Reactor Will Power Through Piles of Plutonium

Even the latest generation of nuclear power reactors can only harvest about five percent of the energy stored in their radioactive fuel supplies, and the toxic leftovers must then be buried deep underground to slowly decay over hundreds of thousands of years. But thanks to a new breed of sodium-cooled pool reactor, we… »11/07/14 11:40am11/07/14 11:40am

Scientists Solved the Mystery of Why Rechargeable Batteries Go Bad

Every time you recharge your lithium-ion batteries, their storage capacity decreases just a little bit. That is why your mobile gadgets won't stay on nearly as long as they did even a year ago. But thanks to research by the US Department of Energy, we finally know why exactly that occurs and, more importantly, how to… »5/29/14 1:40pm5/29/14 1:40pm