More tech Stories

GM just announced the next car in its extended range electric car lineup: the Cadillac ELR. Like GM’s Volt, the Cadillac ELR will have a t-shaped lithium ion battery to enable driving on electric power, but then also features an engine as a backup. Read more »


Battery maker Ener1 already was forced to write down a $59.4 million impairment charge for its investment in electric vehicle maker Think. But now it’s time for Ener1 to report its latest earnings and the Think problem is still weighing down the company. Read more »


The undercover smart grid player Digi International is about to get a lot less undercover. On Wednesday, telco giant AT&T said it has partnered with Digi to offer home and building energy applications for the 13 million smart meters that connect to AT&T’s wireless network. Read more »

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Some are expecting the cleantech graveyard of startups to start filling up. But how companies wind down, sell off their assets, or morph into slimmer versions of their former selves, is a personal choice for the companies and investors. Here’s 10 ways you can do it: Read more »


Low solar prices and global competition continue to rock solar manufacturers. On the heels of Evergreen Solar filing for bankruptcy on Monday, on Tuesday, German solar maker Solon announced that it will shutter a Tucson panel factory and cut 60 jobs. Read more »


In an updated filing, smart grid company Silver Spring Networks reported its latest financial filings for the past six months ended June 30, 2011. The results show steady financial progress for Silver Spring Networks, which indicated its plans in July to go public. Read more »


It’s not a startup, but it’s the latest member of the cleantech graveyard. On Monday, Evergreen Solar filed for Chapter 11 and announced it will be selling its assets, laying off 65 people and suspending operation of its Midland, Mich. filament factory. Read more »


The market for smart grid data analytics — software and services that can mine data and provide intelligence for smart grid vendors, utilities and consumers — could reach a cumulative $11.3 billion between 2011 to 2015, according to Pike Research. Read more »

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Is Oregon the next promised land for clean technology? The Beaver State has, in recent years, has been trying to position itself as a major player with regards to support for green energy, electric vehicle development and more. Read more »


Despite that lighting control technology is finally starting to take center stage, there are still hurdles to the relatively small market. Namely that lighting control companies need to embrace standards to grow the industry and gain customer trust. Read more »

Global Network

Thank the humble, cheap sensor, the standard wireless radio and basic data bases for the future of planetary assistance. A massive sensor and data network called the National Ecological Observatory Network, or NEON, could go under construction as soon as this summer. Read more »


Tech stocks took a beating on Monday morning, the first day of trading after Standard & Poor downgraded the credit ratings of credit agencies. At the same time, greentech stocks — from solar to biofuels to smart grid — fell alongside the weak macro economic news. Read more »


Fuel cell maker ClearEdge Power plans to launch a fuel cell line targeted at data-center operators later this year. The move is part of a larger trend of fuel cell makers eying data-center operators as a new market for distributed cleaner power. Read more »


The summer of 2011 has (arguably) produced a bubble around social media, with valuations for social media companies soaring. Will any of that social magic rub off on consumer-facing clean-power and energy-efficiency technologies, like electric cars, solar panels or home energy management systems? Read more »


With all the attention (not all of it good) that collaborative consumption companies like Airbnb have been getting lately, we’ve been mulling over some tips for entrepreneurs looking to either start one of these companies now, or hoping to make one of these companies succeed. Read more »

Sunil Paul, Spring Ventures, at Green:Net 2011

Calling all do-gooder developers looking for your next opportunity. Introducing the Cleanweb Hackathon, a developer contest and event, which will take place on the weekend of Sept. 10 and 11th in San Francisco. Read more »

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