"Some luxury cars are genuinely used as private hire vehicles, " a Clean Green Cars spokesman said.
Clean Green Cars said TfL should only enable low-polluting cars with at least four doors to register as private hire vehicles.
When solar entrepreneur Edward Fenster looks across the roofs of photo voltaic panels his company has installed on thousands of homes, he sees not just a source of clean green electricity but also security.
After the initial small investment, the owner has clean, green, continuous, and free light.
Taking the place of coal will be clean-burning natural gas and clean, green solar and wind power.
So surprisingly, the best hope for clean, green ethanol right now is to ship it in diesel-powered trucks.
But the best testament to how clean and green Copenhagen really is can be found in the heart of the city.
"If we have a wonderful, clean and green country in the north of Ireland, let's protect it, " he added.
"Our country needs power for its economic growth, and clean, green power is the best option, " says Tanti, 48.
"I show Wales at its most industrial and now it's beginning to become clean and green again, " she said.
BBC: NEWS | UK | Wales | South West Wales | Artist draws on valley changes
Ms Boyack suggested the government should replace their ministerial limousines with a clean, green fleet of battery powered electric vehicles.
Wind turbines that are a source of clean, green energy are also having an unforeseen impact on bats and birds.
As a founder, Jeffrey Hollender had to make many tough decisions to stay the clean, green, sustainable path at Seventh Generation.
The reader journeys from the clean, green grass of peacetime to the mangled hedges and bodies of war as the eponymous Toby dies in battle early in the book.
Oishi quickly won the ready-to-drink tea market, surpassing genuine Japanese brands such as Kirin and Pokka, and fending off foreign and local newcomers that also conveyed messages of a clean, green Japanese lifestyle.
FORBES: Thai Beverage Man Tan Passakornnatee Is On a Mission
Clean Beta will review the mission critical role of ten green and clean energy technologies in next generation naval warfare, including unmanned underwater submarines, hybrid propulsion systems, high-powered microwaves and electromagnetic rail guns.
FORBES: Ten Clean Energy Technologies The U.S. Military Needs To Win The Next Naval War
It was a big week for superlatives in clean tech and green architecture -- particularly in Europe.
As we close the book on 2012, Inhabitat has been reflecting on all the top clean energy and green technology stories from the past year.
Add to this the cost of diesel fuel, the extra carbon emissions and the further strain the trucks would place on the nation's highways and the outlook for clean, supposedly green ethanol looks dimmer and dimmer.
He crossed the stream, picked a double handful, washed the muddy roots clean in the current and then sat down again beside his pack and ate the clean, cool green leaves and the crisp, peppery-tasting stalks.
Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green.
This includes the clean energy that creates green jobs and combats climate change, which cannot be denied.
WHITEHOUSE: President Obama Speaks to the Australian Parliament
From there he had a clean shot to the green, but the shot came up short and he failed to get up and down.
WSJ: Masters 2012: Bubba Watson Miracle Shot Lets Him Trump All Comers
At the launch of a competition to design it, I specifically remember it becoming about providing a green, clean bus to try and solve the air pollution crisis in London.
FORBES: Why is Iceland Messing With the World's Best Fishing Regime?
That's why I want to put money into clean energy jobs, green-collar jobs, and also make sure we have a fund that will help communities deal with the consequences of the home foreclosure crisis and make sure the unemployment system is up to the task.
Yet business's new enthusiasm for clean energy is a fragile green shoot in a dark landscape.
Green City, Clean Waters bets that economic and environmental health work in tandem.
We agreed to reduce tariffs on environmental goods and make it easier to export clean energy technologies that create green jobs.
WHITEHOUSE: President Obama Holds a Press Conference at the APEC Summit
The cruise capital may have good air quality, clean drinking water and vast green spaces, but it doesn't have many openings.
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