Clean Edge - The Clean-Tech Market Authority

How Solar PV is like Ethanol Tom Konrad, CFA High levels of competition in the the solar photovoltaic (PV) industry mean that buy-and-hold investors...

John Petersen Since I'm frequently chastised for holding old fashioned views when it comes to vehicle electrification, I'll start this article by quo...

Tom Konrad, CFA In stock portfolios, deciding how many stocks to own involves weighing a trade off.   A smaller portfolio can be built (and...

John Petersen The electric power system in the U.S. is dirty, antiquated, stupid, unstable, and a security nightmare. After years of discussion and d...

Tom Konrad, CFA For clean electricity to flourish, the electric grid needs not only to be smarter, but more robust.  This is where my strong gri...

Filed under: Hybrid, Honda, Japan 2011 Honda CR-Z - Click above for high-res image gallery The new Honda CR-Z has only been on sale in Japan for two...

Filed under: EV/Plug-in, Hybrid, Ford Putting a bigger battery and a plug-in hybrid powertrain into a pick-up truck isn't exactly a new idea (see her...

Filed under: Legislation and Policy, USA Is CARB backing down on its so-called "cool cars" regulation? On May 7, the California Air Resources Board (...

Filed under: EV/Plug-in, Manufacturing/Plants Indiana Governor Mitch Daniels (left) and Think CEO Richard Canny - Click above to enlarge Earlier this...

Filed under: Hybrid, Toyota, Green Daily Second-gen Toyota Prius - Click above for high-res image gallery The unintended acceleration case of the sec...

a2a_linkname="Here’s the TVO debate on climate change and the media, in case you missed it"; a2a_linkurl="http://www.cleanbreak.ca/2010/03/12/here...

I received an e-mail today from a guy in Waterloo, Ontario, who is on a hunger strike until the opposition federal Liberals or Conservative government...

Check out this story of mine in MIT Technology Review about Sundrop Fuels, a Colorado startup that’s trying to commercialize a process that uses...

Hi, just a note: Tonight on TVOntario I take part in a panel that discusses the media’s role in telling the climate-change story and whether we&...

I got my start in mainstream journalism as a technology and telecommunications reporter for the Globe and Mail, a beat I later took on at the Toronto...

A new industry poll published in E&P, the world’s leading publication for oil and gas professionals, reveals that worldwide concern about c...

Starting at an amusement park in South Korea, but perhaps expanding much further in the future, a new type of large electric vehicle magnetically pull...

It’s a one-two green punch for the trucking industry: today the Port Authority of New York and New Jersey announced a program with the U.S. EPA...

Here’s one electricity storage technology that’s been around for over 20 years, under the radar, but might be due for a resurgence in inte...

“It’s not too late; we can minimize the alteration, or we can just plow on as usual … and if we plow on as usual … it could be ve...

By John Addison (3/8/10)Before I got behind the wheel of the Transit Connect Electric, I asked myself, “Who is going to buy a battery-electric van o...

by Richard T. StuebiIt's axiomatic among the cleantech community that energy efficiency represents the cheapest/easiest way to address our energy and...

David NiebauerA new, innovative feed-in tariff for small-scale solar development is coming to California. Rather than setting a fixed price in an env...

By John Addison (3/3/10 - original post at Clean Fleet Report)Energy, Water, and Fuel are three of the world’s most pressing needs. Algal biofuel ca...

by John VoltzRecently, I made a small diversion from my walk to the office in San Francisco and took a ride in a Wheego. The Wheego was being showc...

I'm not one to flog corporate green marketing stuff, but in this case I'll make an exception.  I can't attest to the validity or accuracy of the...

At ARPA-E, listening to Jim Woolsey talk about the possible important role of natural gas in any effort for both "energy independence" and climate cha...

I've stolen the title of this post from a very funny line delivered by Daniel Nocera (MIT, SunCatalytix) at the ARPA-E Summit in DC this morning. Yes,...

For some reason, I started looking over an experienced cleantech investor's presentation on distributed generation today.  It's pretty fascinatin...

I've heard many cleantech investors say some version of the following:  "Don't invest in any company that's totally dependent upon utilities as i...

Bubble, Bubble, Methane is Trouble: A vast storehouse of methane under the Arctic Ocean has perforated and is starting to leak, researchers disclose...

(Reuters) – British Columbia has given the green light to 19 private-sector clean energy projects that will generate enough power to supply near...

Jack Hidary, one of the more innovative green entrepreneurs, was at the recent Vancouver Olympics evidently enjoying himself at events (especially...

(Reuters) – New forecasts suggest the European Union will exceed its target of getting 20 percent of its energy from renewable sources in 2020...

As surely as last year’s Paris fashions make their way west to New York, U.S. utilities are beginning to embrace European-style programs like fe...

Dr. Peter Gleick is co-founder and president of the Pacific Institute for Studies in Development, Environment, and Security in Oakland, California. ...

China finds itself awash in wind turbine factories China’s massive investment in wind turbines, fueled by its government’s renewable energ...

This guest post by communications expert Hunter Cutting is part of an ongoing Climate Progress series on climate messaging. Cutting helped to build Re...

The partisan divide on climate science has been growing for a while, as I discussed in a 2008 review of the Gallup polling.  No surprise, really, sin...

The leading anti-science blogger in the country, Anthony Watts, owes NOAA scientists an apology.  So far, he’s passing the buck. The former TV...

Back in 2004 startup Purfresh — then called Novazone — underwent a complete overhaul and began to refocus its efforts on selling its purif...

Bill Gross, founder and CEO of incubator Idealab, (who is speaking at our Green:Net conference on April 29) tells Business Insider in a fascinating 30...

Early stage startups competing for the MIT Clean Energy Prize have a lot more than the $200,000 grand prize winnings on the line. Winning the annual c...

It’s tough being a company trying to develop the next-generation of cellulosic ethanol. The good news for cellulosic ethanol maker Verenium, wh...

Regardless of all the possible benefits of having a battery manufacturing industry in the U.S. for plug-in vehicles, building out that fledgling indus...

A new washing machine design uses 90 percent less water and reduces utility bills by 30 percent by cleaning clothes with tiny plastic beads. The machi...

Usually when you read about concentrated solar power, it's referring to some large project destined for the Mojave Desert, but Syracuse's Center of Ex...

Conventional gasoline engines are terribly inefficient things. Only 13% of the energy of the fuel actually moves the car. 62% is lost in the engine...

Beginning today, Google has begun providing bicycle directions for its Google Maps service with directions for cyclists in 150 cities in the United St...

Yesterday, Colorado's state legislature finalized a bill to increase the state's renewable energy standard to 30 percent by 2020. Colorado was one of...

Last week, Porsche unveiled the stunning all-wheel-drive 918 Spyder supercar concept, which combines a 500 horsepower, 3.4-liter V8 with two 218 horse...

If you're around the Big Apple next weekend, be sure to check out the Go Green Expo, which is returning to the city March 19 to 21. The largest eco-fr...

The Fisker Karma (pictured) may be a limited production plug-in hybrid ringing in at $88,000, but the company's CEO has much bigger plans.During a Cha...

Would the well-heeled pony up for a plug-in hybrid? Possibly, if it gets 81 miles per gallon.At the Geneva Motor show, Mercedes executive Thomas Weber...

Google last Thursday released an API for its PowerMeter product, which monitors electricity consumption in real time and offers feedback on how to red...

One of the most frequently asked questions is, "Where are the women in green jobs?" With so much public attention focused in construction,...

Today the Senate Energy and Natural Resources (ENR) Committee held a hearing on HOME STAR, a proposed program to create jobs through energy efficiency...

Today the Senate Energy Committee will begin debating a weatherization bill known as Home Star that aims to make American homes more energy efficient,...

Crossposted from Penn's Station. Who would of thought that one day DJ Biz Markie would spin records in front of the US Capitol building in effort to...

A new program called HOME STAR has enormous potential to quickly create 168,000 American jobs by spurring private investment in the struggling constru...

Air pollution in California cost federal, state and private health insurers $193 million in hospital costs, according to a RAND Corporation study rele...

A recent study by an energy efficiency nonprofit found that more than 90 percent of caulking and insulation is made in the United States.

In the last week, the president of SolarReserve and the chief executives of Clipper Windpower and Aurora Biofuels have stepped down.

Necessity or marketing gimmick? The Bucks blog helps consumers decide whether green insurance is worth it.

The European Commission said on Thursday that five countries were failing to meet goals for renewable energy but that they could make up their quotas...

The case of a "runaway" Prius in San Diego demonstrates how claims about electronic flaws requires investigators to look carefully at the human elemen...

The talk at an annual building conference in Boston is about how to reduce energy use in houses by more than 50 percent. Early pilot tests show it can...

Sanyo's new eneloop hybrid bicycle recharges while it's being pedaled; Iwatani showed off a fuel cell bike that runs on a hydrogen fuel cell stack. Or...

Production and assembly factory producing 1,100-megawatts worth of turbines annually will create 1,000 permanent jobs for the state. Originally posted...

SunEdison's 72-megawatt photovoltaic solar power plant finds a home in Italy's Veneto region.

photo: Aurora Biofuels As I write in The New York Times on Friday, it’s spring cleaning at three renewable energy firms as top executives depart...

photo: Todd Woody In The New York Times on Wednesday, I write about California regulators’ preliminary decision to reject requests by two big ut...

photo: IBM In The New York Times on Tuesday, I wrote about how scientists at IBM and Stanford University have developed a new process for making plast...

In The New York Times on Monday, I write about IBM’s new smart grid lab in Beijing that will develop technology for the global market: In anothe...

In my new Green State column on Grist, I write about how an environmental justice group in Texas is using a greenhouse gas analyzer from Silicon Valle...

Terra Venture Partners is not high profile, but it’s got an intriguing portfolio.

To meet renewable goals, California utilities can buy power from Arizona households. It’s a new ball game.

“We’ve never been big believers in the whole supply-side.”...

“500 million people on earth enjoy a lifestyle that 9 billion people will want in 2050.”...

The $1.01/gal tax credit is reinstated.

Oh goodie, something else for me to spend money on! I haven’t had occasion to travel much with my iPhone up until the past few months, when I...

The tier one technology companies ala Dell, Hewlett-Packard and IBM all view for green IT headlines on a weekly basis, but there is plenty of innovati...

Here’s something to think about: What prompted you to buy your current car? Was it the fuel efficiency or was it how it looked and rode? The ste...

I’ve written about energy management company EnerNOC in the demand response sense, based on the work that it is doing to help companies with gen...

The latest version of Faronics‘ PowerSave application (version 4.1) includes two new features that are intended to address potential security co...

Taiwan based Sunshine PV is reported to be the initial turnkey customer and has achieved the first CIGS thin film photovoltaic (PV) module out milesto...

RT @greenforyou: EU considers general carbon tax #green http://bit.ly/bTxWNy Ed:simplicity and tranparency # RT @stephhicks: Canada vs. USA Final Made...

[San Jose, California USA] It’s all in the tracking. After many rainy days, the sun broke out last Saturday before Noon, and I was solar powered...

[Sunnyvale, California USA] CdTe development or CIGS entry? I started looking for the First Solar, Inc. (NASDAQ:FSLR) research outpost in Silicon V...

The German Federal Cabinet is supposed to finalize their photovoltaic (PV) Feed-in Tariff (FiT) policy on March 3, 2010. June 2010 is shaping up as a...

Here's a quote from a blog on a website hosted by SNL interaactive, written by Bill Burson: [quote]The main problem is the wind doesn't blow all the...

The U.S. wind industry is descending on Washington this week to make the case for jobs, jobs, and more jobs. John W. Grabner, Executive Director, Ca...

Texas, which has far outdistanced other states in building wind farms and will likely widen its lead still further over the next few years, set a [url...

OK, so we have been beating the drums for a while about a national [url=http://www.awea.org/pubs/factsheets/RES_General.pdf]Renewable Electricity Stan...

[b]Guest blog by AWEA's Michael Goggin[/b] Haphazardly dropped into the middle of an interesting and otherwise technically accurate [url=http://www.n...

A few months ago, Alchemy set this weeHouse in Dundee, New York, and it's now complete. The two-bedroom, two-bathroom home sits at the end of a privat...

The Fourth Annual Green Building Survey, published by Allen Matkins, CTG, and Green Building Insider, was just released. It’s quick and to the point...

With the economy the way it is, retiring folks are downsizing or losing their homes, while newly educated folks are graduating with slim pickings. Not...

Across the pond in the London Borough of Hillingdon, this infill development of five ultra-green buildings continues to garner attention. The project,...

Just a few days ago, the $41 million Syracuse Center of Excellence in Environmental & Energy Systems (SyracuseCoE), a 55,000 square-foot building...

A reader recently sent me a link to the following story: D.C. Discussions Advance Corn Issues Extension of the Volumetric Ethanol Excise Tax Credit...

One of the triumphs of modern life is our ability to distance ourselves from the simple facts of our own existence. - Jeff Goodell Big Coal by Jeff G...

Spring is approaching, and gasoline prices are once again climbing. But you may not know that this ritual of climbing prices happens almost every year...

I usually scan the energy headlines each morning, but had somehow missed the stories on the recently introduced bills to electrify the U.S. Postal Ser...

The following is a guest post written by Dan Harding. Dan has written numerous articles on the solar industry, and is a regular contributing author to...

I spent most of the day in Richmond yesterday attending the first Summit on Virginia's Energy Future. I'll write more about the main topic of the sess...

This post was prompted by my reading Fred Turner's book "From Counterculture To Cyberculture: Stewart Brand, the Whole Earth Network and the Rise of D...

High speed trains at St. Pancras Station in England (Photo: Jon Curnow via flickr) Government sees the future of transportation in high speed rail n...

Siemens will build a new 60Hz gas turbine production plant at its existing facility in Charlotte, North Carolina. The initial investment will be appro...

A new shade of green is gradually sweeping across China’s export manufacturing industry, one that took a while to take root. Companies are riding...

What does Toyota's travails mean to green marketing? That question seems ripe these days, as the leading Japanese auto maker gets a comeuppance for it...

My longtime friend and colleague Bill Green changed jobs recently. That's not normally newsworthy — friends and colleagues do that all the time. But...

Okay, I'll admit: The headline above is a bit of a come-on. I couldn't possibly do justice to the past 10 years' worth of green business activity —...

If only Kermit truly knew how "isn’t easy" it is. Honda Motor Co. is at the receiving end of a lawsuit filed by the Save the Earth Foundat...

I've been trying over the past few days to find some Hopenhagen in Copenhagen — that is, to see some positive outcome to the COP15 climate summit ju...

Unquestionably, the major obstacle for indoor, or household-friendly light-emitting diodes is price. No matter how long a bulb lasts, nobody wants to...

Nissan says it has more than 56,000 pre-orders for the Leaf, its fully-electric model set to be released to the mass market in 2012. Just last Novemb...

Despite everything the U.S. Department of Energy, President Barack Obama and common sense say, energy efficiency just isn’t very sexy. Energy ma...

Michigan is taking a lot of hits lately. Not only is its traditional automotive industry winding down, but new electric car companies are being lure...

Utilities around the world are still struggling to understand and implement new technology needed to make electrical grids cleaner and more efficient.