Volvo may actually produce Plug In Diesel Hybrid for 2012. AWD plug in biodiesel hybrid? Yes please!

Here is an article (via Treehugger) that reports that green building in America was up 34% last year. It's now a 5.8 billion dollar industry. And this article claims that "green roofs," roofs that are covered with forests to offset pollution and reuse rainwater, are up 70% in America, and taking..