Fuel cells have catapulted into the public spotlight this week following the 60 Minutes debut of Bloom Energy’s powerful Bloom Box fuel cell. But before all the talk of these devices powering buildings and neighborhoods, there was buzz about hydrogen …

With rooftop solar panels becoming increasingly affordable, and more sellers entering the market, residential and commercial consumers alike could very well be paralyzed by choice. Should they go with standard photovoltaics? Thin-film panels? What’s a good price? Who do you …

The European Union’s renewable energy targets, if achieved, will lead to widespread hunger, according to a new report published by ActionAid.org. With many farmers ceding their land to biofuel companies, food costs are on the rise, and millions more people …

Eden Park Illumination has officially entered the efficient lighting fray, scoring $2 million in new venture capital, and a $750,000 grant from the U.S. Air Force, according to Dow Jones Clean Technology Insight. It is pitching a microplasma lighting fixture …

Recent advances in materials and design have resulted in thin-film solar modules that are more efficient and affordable than ever. Now IBM has developed its own thin-film product that uses common metals instead of pricey silicon. And a Stanford spinoff …

Information technology is quickly becoming the best weapon in the battle for energy efficiency. And there’s new evidence of this today: Battery maker and building automation company Johnson Controls has teamed up with IBM to bake IT expertise into green …

BrightSource Energy, one of the companies making solar thermal energy look better and better, has just landed a $1.37 billion loan guarantee from the U.S. Department of Energy. It will use the funding to build three utility-scale plants pumping out …

GreenRoad, maker of a dashboard system that judges how dangerous your driving is at any given time based on road conditions, speed and spatial orientation has just raised $10 million from a notable source: former vice president Al Gore’s Generation …

Bloom Energy finally emerged from stealth mode, unveiling its “Bloom Box” fuel cell during a 60 Minutes segment with Lesley Stahl yesterday (click here for bonus videos). Capable of powering more than 100 homes while producing close to zero emissions, …

Bloom Energy is finally ready to debut its Bloom Box, a fuel-cell capable of running up to 100 homes — carrying the potential to fundamentally change how utilities and companies alike generate and distribute energy. The Sunnyvale, Calif. company plans …

SoloPower, maker of thin-film solar modules for rooftop installations, has just raised $44.9 million in debt financing, according to a filing with the SEC. But this bridge round is only a harbinger of much more to come as the San …

Last month, Google announced that it was applying to buy and sell electricity on federally-regulated wholesale energy markets via a new subsidiary called Google Energy. Well, it just got the green light from the Federal Energy Regulatory Commission — giving …

Regen, maker of a compact solar panel called the ReNu used for powering audio equipment and household lights, and even charging phones, has just brought in $1.6 million of an anticipated $2 million round of equity, according to a filing …

Grocery chain Safeway has become the latest major retailer to take greening its supply chain seriously. Following the lead of companies like Wal-Mart, it is making an effort to cut energy use and carbon emissions — and has decided to …

Calisolar, maker of high-efficiency solar cells made out of cheaper, scrap silicon, has brought in $23.5 million in new equity, according to a regulatory filing with the SEC. The new financing is linked to the company’s recent acquisition of 6N …

Sequoia Capital-backed Oorja Protonics may be making methanol fuel cells to charge batteries in forklifts — but its new product, the OorjaPac Model 1, could give it a big-time entree into the plug-in vehicle market. Supplying 50 times more power …

[Update: Senior electrical engineer and plane owner Doug Bourn, electrical engineer Andrew Ingram and senior manager Brian Finn have been identified as the passengers on the plane by sources close to the company. We are still awaiting confirmation …

Hydrogen fuel cells may be suited to more than powering next-gen cars. Italian electronics company Electro Power Systems just debuted a new fuel cell that could provide backup power for mobile networks run by wireless carriers. Where better to demonstrate …

With bigger name battery companies like A123Systems and Johnson Controls-Saft getting most of the attention, Enervault, a maker of flow battery technology, has been flying under the radar. Now the young company, which may have one of the most practical …