Oil sands technology questioned after series of leaks polluting aquifers

[caption id="attachment_812200" align="aligncenter" width="600"] Pipelines at Canadian Natural Resources Limited's (CNRL) Primrose Lake oil sands project.[/caption] Environmentalists are questioning a technology used by Canadian Natural Resources (TSX, NYSE:CNQ) to extract crude from its oil sands operations in Alberta, following a...

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