But the solar panel giant is cautious on sales outlook.

Tesla, Jinko above water; Molycorp, A123, Codexis and Energy Recovery below

The Union of Concerned Scientists weighs in on the nuclear vs. renewables debate.

A genetic discovery could allow LS9 to produce biofuels by converting sugar directly to alkanes and fuels.

Salt holds its heat better, but will the advantages get swamped by the trade-offs?

Smart meter data has endless applications, but only if you have a careful plan about how to use it.

Electric cars and plug-in hybrids like the Leaf and the Volt are on the way. Here’s how the market will shake out.

New forms of thin-film solar spread their wings.

Hear final thoughts from the attendees at Intersolar North America. See you in 2011!  

Car enthusiasts gathered in San Jose this week for Plug-In 2010. Here are some of the highlights.

How about we start by calling storage, storage and a battery, a battery?

GTM Research releases United States Smart Grid Policy 2010: In-Depth Analysis of Ten Key States Driving Deployment.

Upsurge in domestic manufacturing a surprise, says Applied Materials

Why was the consolidation that took place in 2009 only a pale shadow of what was predicted? Why are almost all of the high-cost manufacturers still around today? What does this tell us about the future?

The lack of support for a long-term mandate from Congress has brought the wind industry to the edge of a cliff.

The Volt comes in a little higher than expected; look for an all-electric Infiniti.

You need more than ample sunlight, high electricity rates and sheer desire to get residential PV deployed—you need capital.

Technology and legal changes are going to expand demand response next year, says eMeter’s Larsh Johnson.

A painful restructuring after the thin-film CIGS company’s IPO is withdrawn.

It sounds simple, so why is using this home energy management system so difficult?