Shortpoet-GTD, on 20 April 2013 - 03:47 AM, said:
There are (in my mind) two main objections to the proposed keystone pipeline: Spill safety concerns and increased CO2 emissions.
I expect that the spill safety concerns can be addressed with adequate pipeline design and operation.
Near as I can tell the tarsands product is so difficult to pump that pipelines that were intended to carry conventional petroleum may not be up to the job, resulting in failures like happened in Arkansas. I would think that a pipeline purposely built to carry the tarsands product could be engineered to do the job safely.
It occurred that my other objection, the increased CO2, could be met if the operators of the pipeline carried out some sort of active removal of atmospheric CO2 to sort of "balance the books." Could some sort of carbon capture and sequesteration, CCS. Could be carried out at already existing coalfired powerplants. An alternative might be a large enough tax or fee on the tarsands product transported so that US DOE (or somebody else) could build and operate some sort of CCS scheme.