GreenTech

  • Chevy Volt To Get Low Emissions Perks In California

    Chevy Volt To Get Low Emissions Perks In California

    Many in motoring are looking forward to an all-electric future, but as long as we’re burning fuel we’ll need to keep incentivizing low emissions. In California, a limited number of low-emissions vehicles are given stickers that let them travel in the HOV lanes, which residents know is a hell of a perk. Now Volt owners can get in on that action. Chevrolet is making a… Read More

  • Electronic Flowerpot Takes The Guesswork Out Of Gardening

    Electronic Flowerpot Takes The Guesswork Out Of Gardening

    Even though plants need only a few things to grow – water, air, light and minerals – maintaining the right proportions can make gardening feel like a high-maintenance hobby. Estonian company Click & Grow creates soilless, electronic flowerpots that do the work for you, providing the correct water and nutrient balance for indoor plants. For some, this may seem like a… Read More

  • Design Competition Yields Bikes Of The Future

    Design Competition Yields Bikes Of The Future

    Oregon Manifest, a nonprofit located in Portland, has been running a competition over the last few months in which students and pro teams work to create a next-generation city bike. This isn’t about speed (like the McLaren Venge) or concept design (like the Vienna Bike), but rather about creating a bike that provides the maximum amount of utility for someone looking to ditch their… Read More

  • Electric Aircraft Competition Wraps, With $1.35M Prize For Plane That Out-Economizes A Prius

    Electric Aircraft Competition Wraps, With $1.35M Prize For Plane That Out-Economizes A Prius

    A little more than a year ago, we posted about the possibilities of electric aircraft. At the time, we also mentioned an upcoming competition that would test the mettle of these flying batteries: the CAFE Green Flight Challenge. It’s a NASA event (and purse), sponsored by Google, which like the X-Prize aims to fund innovation through competition. Entrants would have to fly 200 miles in… Read More

  • Why Did Solyndra Fail So Spectacularly?

    Why Did Solyndra Fail So Spectacularly?

    The spectacular failure of solar manufacturer Solyndra is being held up by some as a shining example of the Obama administration’s failure to properly manage government subsidies after its collapse left taxpayers with $535 million in federally guaranteed loans. But Solyndra’s failure on its own is not remarkable. There are always risks involved when you’re introducing… Read More

  • More Details On MIT’s “Artificial Leaf” (And Video)

    More Details On MIT’s “Artificial Leaf” (And Video)

    Back in March, we heard about a breakthrough from MIT: an “artificial leaf” that produces pure oxygen and hydrogen gas, powered entirely by sunlight. The technology was described in yesterday’s edition of Science, and the team has released a video showing one of the devices in action. Read More

  • Can Municipal Waste Power Our Cars?

    Can Municipal Waste Power Our Cars?

    One future source of green energy may be as close as the nearest dumpster thanks to companies vying to make fuel from trash. Enerkem, based in Montreal, and Fiberight, in Maryland, hope to turn municipal waste into energy in new biorefineries. Enerkem has been around since 2000 and owns several facilities in Canada. Its pilot plant, in Sherbrooke, Quebec, turns used electricity poles into… Read More

  • Simple Energy And San Diego Gas & Electric Team Up To Encourage Conservation Through Gaming

    Simple Energy And San Diego Gas & Electric Team Up To Encourage Conservation Through Gaming

    2011 Boulder TechStars graduate Simple Energy is teaming up with San Diego Gas and Electric (SDG&E) to help the utility engage its customers in energy conservation efforts. To accomplish this, Simple Energy is running an energy saver contest that offers a social gaming experience with real-world rewards. Read More

  • 13-Year-Old Designs Efficient Solar Array Inspired By Oak Trees

    13-Year-Old Designs Efficient Solar Array Inspired By Oak Trees

    When it comes to renewable energy solutions, sometimes nature has the best ideas. That was 13-year-old Aidan Dwyer’s conclusion after a wintry hike in New York’s Catskill Mountains, a trip that inspired him to build a unique and effective solar array design. Dwyer observed patterns in the trees and, after further research and contemplation, realized the branches matched up with… Read More

  • This Electric Plane Is Powered By Its Own By Solar Hangar

    This Electric Plane Is Powered By Its Own By Solar Hangar

    Aviation enthusiasts interested in greener flying might put an Elektra One plane on their wish lists. PC-Aero‘s electric aircraft can fly for up to three hours on one charge with a 100mph cruising speed. The charging happens inside a solar-powered hangar included in the plane’s anticipated purchase price of $145,000. Read More

  • HaloIPT Revs Up For Wirelessly Charged Electric Cars

    HaloIPT Revs Up For Wirelessly Charged Electric Cars

    Those who resist purchasing an electric car because charging stations are less ubiquitous than gas stations or figuring out how to charge your car at home seems complicated have one less excuse to go green. A new system from British startup HaloIPT allows cars to be charge wirelessly using induction. The wirelessly transmitted power goes to the car’s battery for an ongoing charge, similar… Read More

  • Lego Cased Computer Crunches Efficiently For A Good Cause

    Lego Cased Computer Crunches Efficiently For A Good Cause

    For many people, building with Legos brings back fond memories. For Mike Schropp, the memories are still being built. Schropp loves Legos, often incorporating them into technology. For his latest project, Schropp built a 12-core PC tucked into a custom made case he designed using some 2,000 black Lego bricks. The finished product is not only awesome looking, but also energy efficient. Read More

  • A Groupon For Solar? Solar@Work Offers Buildings Discounts For Going Green Together

    A Groupon For Solar? Solar@Work Offers Buildings Discounts For Going Green Together

    Group buying is moving into the commercial clean energy space thanks to Solar@Work, a program designed by San Francisco’s Department of the Environment to make solar panels more affordable for business owners. Businesses have three options for acquiring solar panels through the program: Purchasing, leasing, and securing a loan. A federal grant covering 30% of installation costs is also… Read More

  • How Hydrostor Aims To Change The Power Game By Storing Energy Under Water

    There has been a fair bit of concern in recent years about the ability of our power plants to supply adequate electricity during periods of peak demand. Hydrostor, a Toronto-based company, is taking a different approach and offering a solution that allows plants to store their power using compressed air in underwater storage tanks. Hydrostor converts excess electricity into compressed and… Read More

  • BioLite Stove Charges Your Phone While Cooking Your Dinner

    BioLite Stove Charges Your Phone While Cooking Your Dinner

    Wood-burning stoves aren’t known for being particularly efficient, and their smoke not only contains high carbon emissions but causes health risks to those who inhale it. A portable design from BioLite aims to tackle this problem and turn the stove into a cell phone charger in the process. The stove converts heat energy into electricity, powering a small fan to improve the… Read More

  • Clean Urban Energy Raises $7 Million To "Turn Buildings Into Batteries"

    A Chicago startup Clean Urban Energy (CUE) raised $7 million in a series A round from Battery Ventures and Rho Ventures, the company announced today. CUE’s software-as-a-service “exploits the thermal mass of commercial office buildings to make [them] more efficient,” according to a company press statement. The software was developed at the University of Colorado, which struck… Read More

  • New Wifi Tech Could Double Your Phone’s Battery Life

    If you ever get the sense that someone on the wifi network you’re using is hogging all the juice, you may be right. Not only does sharing wifi with others downloading large files interfere with your enjoyment of the latest viral video, but it can majorly drain your battery as well. A new solution from a Duke University computer science graduate student could alleviate your frustrations… Read More

  • Luca Technologies Files To Go Public, Producing New Natural Gas From Old Wells

    A Colorado cleantech venture, Luca Technologies, filed an S-1 today revealing its intention to go public, and raise up to $125 million (though that number could vary with the receptivity of the market by the time they actually go public). The company stimulates microbes with a “proprietary formulation of nutrients,” in already-drilled natural gas wells, which enables the wells… Read More

  • SoloPower Raises $43.7 Million More To Make Roll-Up Solar Panels

    SoloPower Raises $43.7 Million More To Make Roll-Up Solar Panels

    SoloPower— a manufacturer of flexible, thin film solar cells and modules— has raised another $43.7 million in an equity round this month, according to a new SEC filing. Investors in the round include: Greentech Capital in New York, and Thomas Weisel Partners in San Francisco. Earlier investors in the company include: Hudson Clean Energy Partners, Crosslink Capital, Convexa, and… Read More

  • IBM's "Buildings Whisperer"

    IBM "Buildings Whisperer" Dave Bartlett On The Dumb Ways We Waste Energy

    IBM’s Smarter Planet division released a new solution recently that can make buildings energy efficient— even if they are huge and 100 years old like the company itself. Vice president of the Smarter Buildings division at IBM, Dave Bartlett, visited TechCrunch TV to talk about the stupid ways that people waste energy in medium to large buildings, and how the company’s new… Read More