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Green Tech

GM CEO: U.S. needs 10 times more ethanol stations

LAS VEGAS--One of the big complaints from consumers who buy General Motors cars that run on E85 ethanol is the lack of places to fill up.

GM CEO Rick Wagoner, in a meeting with reporters at the Consumer Electronics Show taking place in Las Vegas this week, says he has received hundreds of e-mails from customers who have bought such cars and are frustrated they can't find ethanol stations.

When GM started selling its flex-fuel cars, there were about 600 stations that sold ethanol in the U.S. Now there are about 1,400 stations.

But there are 170,… Read more

Canon colors its printers green

Canon printers will soon arrive in stores with a green label flaunting eco-friendly features including energy conservation and recycled materials. The company's "Generation Green" brand will mark Pixma and Selphy photo inkjets as well as the laser ImageClass lines of printers.

"Printers are the one area where you can really improve the environment," said Canon spokesman Justin Joseph. "Their production is a massive undertaking that requires a lot of raw materials, and we've found so many ways to reduce that."

Some inks will be encased in NatureStone biodegradable packs made from limestone … Read more

Solar-powered laptop charger on display at CES

Jay LeBoff was sick of being left incommunicado when the power went out in his neighborhood in Westchester County, N.Y. So he set out to build a backup power supply that relies on the sun.

At the Consumer Electronics Show, his company, NRG Dock, showed off solar chargers that are designed to run a range of electronics, including cell phones, Blackberrys, gaming machines, and music players. A high-end version will power laptops.

The products have a couple of pieces. In the Home version, there is a weatherproof battery and a solar panel that charges up and connects to a … Read more

Switchgrass-to-ethanol comes out clean in study

A large-scale test on the effectiveness of switchgrass to make ethanol gave the native grass high marks on energy production and greenhouse gases.

Switchgrass is a favorite of politicians and cellulosic ethanol advocates who say that the grass, which can grow to nine feet, is a better feedstock than corn--the source of most ethanol made today.

A study published on Monday by the Proceedings of the National Academy of Sciences (PNAS) found that switchgrass contains five times more energy than it takes to grow it, which makes it significantly more cost-effective than corn.

The average greenhouse gas emissions from cellulosic … Read more

Waste-to-energy company EnerTech raises $42 million

EnerTech Environmental has attracted $42 million to build out facilities that turn human and industrial wastes into fuel.

The funding, announced on Monday, was co-led by Citi's Sustainable Development Investments (SDI) unit and Masdar Clean Tech Fund, which is financed in part by the Abu Dhabi Future Energy Company.

EnerTech Environmental's technology takes high-moisture biosolids, including sewage sludge or agricultural wastes, and treats it with heat and pressure to separate water from it.

What comes out the other end of its SlurryCarb process is water that is sent back to wastewater treatment plants and a solid which it … Read more

Solar laptop bag packs beefier 'generator'

Voltaic Systems on Tuesday is set to announce a bag with a 14-watt solar panel for charging laptops at the Consumer Electronics Show, a company representative said.

Currently, the company makes laptop bags that have a 4-watt panel so this "generator" model will be a significant step up in power. The company's bags also include a lithium-ion battery to store surplus charge and a set of adapters for different devices.

It's expected to be released this spring and will cost $599.

A wide variety of solar chargers are available to power up cell phones, iPods, or … Read more

GE funding five SunPower solar projects for California

SunPower and General Electric Energy Financial Services are partnering to build solar power installations generating 8 megawatts in California by the end of the year.

The five projects include what could become the nation's largest solar panel installation on one roof, capable of 2.3 megawatts, at Toyota Motor Sales' Parts Center. Construction is set to start next month.

GE Energy Financial Services is acquiring a majority equity interest in the projects for an undisclosed amount. It will own the systems built and run by SunPower, a maker of high-efficiency solar panels.

The San Jose, Calif.-based company, which … Read more

Panasonic, Sharp, and Toshiba launch tech recycling company

Three of the biggest makers of TVs have formed a company to help manage the wave of electronics waste set to swell with the onset of digital television. Panasonic, Sharp, and Toshiba have launched the Manufacturers Recycling Management Co. in Minnesota.

That state last year enacted a law making vendors responsible for their brands' discarded electronics. MRM contracts with third-party recyclers including CRT Processing and Materials Processing Corporation, which specialize in handling tired monitors and televisions.

Old televisions and monitors are laced with lead, cadmium, and toxic flame retardants, but careful recycling can recover valuable and reusable metals and plastics.… Read more

Another hybrid Porsche on the way

Porsche announced today that it's developing a hybrid version of the Panamera, a four-door GT car that will debut in a traditional combustion engine version in 2009.

The hybrid system will use a combustion engine, plus an electric motor and an additional clutch, along with a battery pack to store power. The system can switch between the combustion and electric motor, or combine power from both, depending on driving conditions. And although we haven't seen specific technical data yet, this system sounds strikingly similar to GM's "two-mode" hybrid system, which can yield anywhere from zero … Read more

Flow battery maker gets $15 million

Deeya Energy, which makes large flow batteries to provide backup power to industrial plants, raised $15 million in a second round of financing, according to Venture Wire.

The company earlier raised $7.5 million and is building manufacturing facilities in India.

What is a flow battery? It's a battery with tanks of electrolytes that effectively let the battery store more energy than normal batteries. The electrolytes flow or circulate through the system. The larger the tanks, the more electricity it can store.

Flow batteries won't appear in watches or MP3 players any day soon. They are too big, … Read more

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