The Globe and Mail | Oil sands companies turn to solvents for low-cost crude extraction The Globe and Mail High costs and pressure to reduce pollution are forcing companies such as Imperial Oil Ltd. and Suncor Energy Inc. to accelerate testing of new technologies touted by executives as a cheaper and more benign way to extract crude from northern Alberta. Suncor plots challenge to Canadian Oil Sands' 'poison pill' defence Suncor Bid Is An Attractive Option For Canadian Oil Sands |