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ZBB's flow battery

China is poised to become a giant solar and wind energy producer, and that will open opportunities for energy storage technology developers. ZBB announced its foray into China on Tuesday and more American companies are sure to follow. Read more »

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Japan has long supported solar energy development, but the nuclear disaster this spring pushed it to expand its clean power supplies. That effort reached a milestone on Friday when its lawmakers approved a program that will require its utilities to buy renewable electricity at government-set prices under long-term contracts. Read more »

MIT SignalGuru

Smartphones are increasingly becoming the remote controls of our lives. Car owners can use theirs to check on the battery level and driving range and adjust the climate control system. An MIT project explores new ways to use smartphones to help drivers cut fuel costs. Read more »

Fiat 500

It’s always fascinating to see how dictators spend big money on their hobbies while letting their people live in poverty. The takeover of Moammar Gadhafi compound this week unveiled a private side of the Libyan leader, and among the finds was an electric car by Fiat. Read more »

My Volt test drive.

We’ve heard of bullish forecasts for electric cars, but we also have seen reports about the coming of an oversupply of lithium-ion batteries. Managing the supply and demand can be tough for any industry, but it might be extra difficult for the new, electric car market. Read more »

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What has to happen for the solar industry to recover from the slump? That’s been on the minds of manufacturers, service providers and investors in recent months as solar panels were piling up in warehouses and prices were falling faster than a Russian rocket. Read more »

applied materials 2

Solar companies haven’t fared well so far this year, so it’s not surprisingly that Applied Materials, which makes factory equipment for solar, also has seen drops in sales. The company reported on Wednesday a 12-percent fall in sales between its two most recent quarters. Read more »

Genomatica_Organisms_1

Turning renewable materials such as plants into useful chemicals seems a great idea, particularly when these green chemicals can replace compounds made from crude oil and natural gas. Genomatica, which filed for an initial public offering on Wednesday, certainly hopes investors will agree. Read more »

Genomatica

Green chemical developer Genomatica has filed for an initial public offering to seek up to $100 million, according to its government filing on Wednesday. The company engineers processes to create chemical from renewable sources for making a variety of products, from clothing to auto parts. Read more »

Solarthermische Parabolrinnenkraftwerke Andasol 1 und 2

A controversy has emerged at the California Energy Commission over whether the commission should have authority to issue permits for photovoltaic power plants – projects that use solar panels. Tomorrow, the commission will consider a developer’s request for the commission to do just that. Read more »

Solarthermische Parabolrinnenkraftwerke Andasol 1 und 2

A year ago, California and federal regulators were busy reviewing and signing off on giant solar farms. Now, the pace has slowed considerably as fewer projects are up for review and uncertainty over federal subsidy programs loom. Read more »

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The U.S. military has stepped up efforts to invest and use more cleantech at its bases and battlefields, including renewable electricity, energy storage and a host of energy efficiency technologies. Here is a list of plans and projects underway. Read more »

Ascent Solar 3

What can you do when profits are hard to come by and your targeted market hasn’t taken off? For Ascent Solar Technologies, that means selling a stake of the company and licensing its technology to a Chinese conglomerate. Read more »

Solar Decathlon

More solar panels are sprouting from the rooftops these days, along with an increasing number of equipment models and installers. Yet there is no good consumer guide to help people compare shop and avoid scams. The time has come to create one. Read more »

KiOR

Freshly minted as a public company, biofuel producer KiOR reported Thursday that it brought in no revenues and widened its losses for the second quarter. It also faced questions about raising money for a processing plant when the economy is still struggling. Read more »

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In the first half of 2011, a variety of cleantech firms both filed for IPOs and made their debuts on the public markets. But in the wake of the market sell-off this week, that IPO window could be swiftly shutting. Read more »

Photo by Katie Fehrenbacher/Gigaom

Declining solar incentives in key markets such as Italy and Germany have disrupted sales for many solar companies, and SunPower in particular has been hit quite hard. On Tuesday the company posted second-quarter losses and promised to speed up plans to reduce costs. Read more »

sonoma county

Federal regulators canceled three ocean power project permits in California because the permit holder, located in Sonoma County, couldn’t come up with the money to carry out the projects. Read more »

Leyden Energy battery cells

Lithium-ion battery startup Leyden Energy has raised $20 million to expand production, the company announced Wednesday. Although the company is initially targeting the gadget market, it’s also working with a Canadian company to develop batteries for electric bicycles. Read more »

Solmentum

Going solar is an expensive undertaking, so homeowners are often eager to know whether solar adds value to their homes and if they can recoup some of the investment when they sell their homes. Read more »

DyroCore 3

The California Energy Commission on Wednesday filed a complaint against a wind turbine maker, contending that the company has exaggerated the performance of its equipment and caused the commission to overpay in rebates. Read more »

Photo by Katie Fehrenbacher/Gigaom

Brace yourself for reports of lackluster sales and profits for solar companies for the second quarter. SunPower did just that Monday by warning that it expects to post a lower gross margin and a loss for the period. Read more »

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