Author Archives: Charis Michelsen

Floating Wind Turbines May Be Coming Soon…

March 8th, 2012 | by Charis Michelsen

Offshore wind turbines are placed to take advantage of strong, steady coastal winds. Their placement is in one way ideal – dependable energy, and lots of it – but it’s also not exactly easy to build a turbine tower in several feet of moving water


And a Nissan Leaf for All (in the United States)

March 1st, 2012 | by Charis Michelsen

While a variety of electric cars is on the market for U.S. consumers, pretty much all of them are only available in select locations (California, for one) – except for the Nissan Leaf. Starting today, Nissan is making the Leaf available


How Wind Turbines Work

March 1st, 2012 | by Charis Michelsen

Wind-generated electricity is one of the first images that comes to mind when someone says “renewable energy.” But how exactly does a wind turbine work? It’s actually


Eco-Conscious Porsche Sports Cars (May Be) Coming Soon

February 24th, 2012 | by Charis Michelsen

Porsche is one of the last automakers I'd expect to see start worrying about fuel efficiency and carbon dioxide emissions; after all, their customers typically just want something loud that goes really, really fast (in straight lines around corners). Imagine my (pleased) surprise when


Over 31? You May Still Buy a Hybrid by 2020

February 23rd, 2012 | by Charis Michelsen

More car buyers than just those belonging to Generation Y may be looking to buy hybrids, at least according to a report published by New York-based marketing research firm ABI Research. The firm’s analysts foresee


Hagent, the Heat-Storing Robot

February 16th, 2012 | by Charis Michelsen

Developed by German designers – Andreas Meinhardt and Daniel Abendroth – Hagent is a sort of mobile space heater. Only, instead of plugging into the wall


Hertz Tests Wireless EV Charging in the U.S.

February 10th, 2012 | by Charis Michelsen

Electric cars need to be charged – they run on rechargeable batteries. But taking a long cord and plugging it into an actual outlet seems so… so… 20th-century. Enter


Net-Zero-Energy Home Unveiled in Las Vegas

February 6th, 2012 | by Charis Michelsen

A number of energy-efficient homes and communities are currently in the process of testing, but a Los Angeles-based company is going one small step farther. KB Home presented its first net-zero energy home in an event in Las Vegas, and it’s not just


Tesla Talks Up the Model S (Video)

February 3rd, 2012 | by Charis Michelsen

Tesla has been playing the information game with its Model S sedan, showing its potential customers and fans just enough to keep them interested without pouring on too much detail at once


The World’s Prettiest Solar Car Drives Through America

February 3rd, 2012 | by Charis Michelsen

The world’s prettiest solar car – the one CleanTechnica readers may remember as coming from Bochum - kicked off its U.S. leg of its journey around the world this week. The SolarWorldGT is in California today, after successfully


GM Announces Eco-Stickers for All Chevy Cars

January 31st, 2012 | by Charis Michelsen

For the first time in the United States, cars on the road will bear a green label with environmental data proudly proclaiming themselves to be eco-cars. The company creating this new sticker is none other than GM’s Chevy brand, and the first car to show off its environmental data


The Hiriko Project Presents a Foldable Electric Microcar

January 28th, 2012 | by Charis Michelsen

I love two-seater electric microcars for city traffic; they're efficient, adorable, and emissions-free. I'm quite happy to say that another one was unveiled in Brussels this week. The Hiriko is a tiny (and super cute) electric prototype with a little bit of a twist


Berlin Police More Green Than Blue With New Electric Cars

January 27th, 2012 | by Charis Michelsen

Blue striping on a white background makes the eleven new cars roaming the streets of Berlin immediately recognizable as emergency vehicles (although the word “POLICE” in white text down the side doesn’t hurt). What’s invisible to the average eye


Cheaper Energy Storage Systems = More Renewable Energy

January 27th, 2012 | by Charis Michelsen

Energy storage on a large scale would help even out the intermittent nature of renewable energy; in fact, techniques such as batteries and fuel cells are used on smaller scales right now to manage grids with high percentages of renewable sources. The problem with wide-scale use is that energy storage systems [...]



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