Bentley has released official pictures of the ethanol-powered GT we previewed a few weeks ago.  This new car is the first flex-fuel vehicle in the company’s history, and Bentley is calling the 621 bhp bruiser the “Continental Supersports”.  Bentley claims the GT’s owners will be able to accelerate from 0-60 mph in 3.7 seconds on their way to a top speed of 204 mph.

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Bentley will be using the upcoming Geneva show as a launchpad for a biofuel powered GT that Bentley’s PR reps promise will be the fastest and most powerful production car in the company’s history.

Details of the new Continental variant are limited, and the company has only released a single teaser image (above) while promising the moon and the stars above for it’s coming eco-missile.  Without further details, we can only guess at the new Conti-green’s powertrain… sounds like fun!

Some educated guesses after the jump.

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On Wednesday, Jan. 7, Continental Airlines tested a new brand of bio-fuel that is the airline industry’s first step in combating the extremely high cost of jet fuel. According to the airline, the bio-fuel blend includes components derived from algae and jatropha plants. Even before the nascent technology test, the Houston-based airline had shown a commitment to the environment by making an effort to reduce greenhouse-gas emissions throughout its fleet. The Continental flight is one of three currently being conducted.

And, according to a New York Times article, “In theory, people in the industry say, replacing petroleum in airplanes could be easier than replacing it in cars.”

This is certainly a concept that could gain some wings, so to speak.

Image Credit: Martin Rottler at Flickr under a Creative Commons license

The term “sustainable” is rarely seen in the same sentence as “airplane.” Maybe because an airplane’s CO2 emissions, per passenger and per mile, are almost as environmentally inefficient as driving a car with one passenger.  So, what’s an ecopreneur to do when trying to be as green as possible, but not able forgo airplanes altogether?

The good news is that the economics of the airline industry—rising fuel prices and a global economic downturn—are leading all airlines to be more forward thinking about sustainability (even if they have a long way to go). But a few airlines are getting love for their environmental efforts.  Take Continental, Virgin Atlantic,  Jet Blue or Southwest. In 2007, Fortune Magazine named Continental Airlines as one of the “10 Green Giants” in America citing the airline’s $16 billion investment in efficient aircraft, fuel-saving winglets that reduce fuel emissions, their 75% reduction in the nitrogen oxide output from ground equipment at its Houston hub, its 13 full-time staff environmentalists and its corporate recycling practices. Virgin Atlantic is also considered a green leader in a black industry. It has new fleets, innovative recycling programs and leading-edge brother-companies, Virgin Green Fund and Virgin Fuel that invest in new products and technologies that will help reduce CO2 emissions.  JetBlue gets good reports because of their newer, more fuel-efficient aircraft and their in-flight recycling and waste-management programs. Southwest is an U.S. EPA Blue Skyways Collaborative Partner and has won environmental stewardship awards including the President’s Environmental Youth Award, the Dallas Water Utilities Blue Thumb Silver Award (2001-2006), the 2007 Port of Portland Aviation Environmental Excellence Award and the 2007 Keep Dallas Beautiful Environmental Excellence Award.

And, just to prove the point that green business is good business, The 2008 Zagat Airline Survey released today named these four airlines as best-in-class on several consumer-based metrics.  According to ZagatBuzz:

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Continental Airlines, Boeing, and GE Aviation have scheduled a biofuel test flight for early 2009, citing the desire to identify sustainable fuel alternatives for the aviation industry. Continental may be the first US carrier to do so and, in the words of president and CEO of GE aviation, is “taking an important step in advancing the use of sustainable biofuels in aviation.”

The three companies are working together to identify a non-food based, second-generation biofuel that won’t significantly impact forests or water resources. No details on the fuel are available, but it will have to be production ready in quantities sufficient to power the test-flight and mix seamlessly with kerosene aviation fuel (Jet-A).

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