Tar Sands

Tar sands or oil sands

http://en.wikipedia.org/wiki/Oil_sands

For information, google 'giant alberta bound oil sands' which should get you to the Portland Oregonian at

http://allagainstthehaul.org/ and http://www.oregonlive.com/

Giant Alberta-bound oil-sands shipments stall in Idaho as opposition mounts

http://www.oregonlive.com/business/index.ssf/2010/12/giant_oil_field_equipment_crea.html

Greenpeace is working to stop the tar sands

http://www.greenpeace.org/canada/en/campaigns/tarsands/