Now that the pipeline is dead (again), it’s time to look back at the controversial project.
that their controversial Keystone XL pipeline would achieve net-zero energy as soon as it was commissioned, and that all of the pipeline’s operations would run on renewable energy by 2030. Nevertheless, a newly inaugurated President Joe Biden revoked Keystone XL’s permit, stating in histhat “Leaving the Keystone XL pipeline permit in place would not be consistent with my Administration’s economic and climate imperatives.
Since its introduction, the project has been subject to political ping-pong. Proponents hailed the jobs it would create and argued it would help the United States achieve energy security. Opponents said the pipeline would threaten communities and waterways, as well as ramp up production in Alberta’s oilsands, deemed dirty by environmentalists not just for their climate impacts, but for the cleared forests and tailing ponds left behind.
All of this investment would go towards offsetting the energy required to operate pumping stations and perform inspections and maintenance. But when you look at the total carbon impact of a project like Keystone XL, considering everything from the energy needed to extract, dilute, transport, and refine the sticky bitumen to the carbon emitted when the refined product is burned in vehicle engines, pipeline operations represent a mere fraction.
Although there is a wide range in the quality of the bitumen and the efficiency of the extraction technologies, most analyses concur that oilsands production is quite a bit more energy intensive than lighter, more conventional crudes. In other words, it takes more energy to recover, process, transport, and refine a barrel of Tar Sands oil than one from say, Texas’ Permian Basin.
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