Plant Waste Powered Limos to Bring World Leaders to Copenhagen Climate Talks

Photo via the Daily Mail If you're hosting the world's most important conference on climate change, you sort of have to sweat the small stuff. Eyes from around the globe will be watching to see what progress the world leaders can make towards uniting to combat global warming in your town. So you can't very well send any old gas guzzling limousine to cart the green-inclined heads of state around C...