This is a report on some promising results of work by Penn State on extracting oil from tar sands, shales, etc. with low environmental impact.
The report:
http://live.psu.edu/story/52088
and a video:
http://www.youtube.com/user/FleckMatse#p/u/1/U8NQ8Uj232w
The report:
http://live.psu.edu/story/52088
and a video:
http://www.youtube.com/user/FleckMatse#p/u/1/U8NQ8Uj232w