https://www.nrdc.org/stories/what-keystone-pipeline

What Is the Keystone XL Pipeline?

How a single pipeline project became the epicenter of an enormous environmental, public health, and civil rights battle.

November 01, 2021

…the pipeline promised to dramatically increase capacity to process the 168 billion barrels of crude oil locked up under Canada’s boreal forest. It was expected to transport 830,000 barrels of Alberta tar sands oil per day to refineries on the Gulf Coast of Texas.

TC Energy took advantage of legal loopholes to push the pipeline through, obtaining authorization under a U.S. Army Corps of Engineers nationwide permit and dodging the more rigorous vetting process for individual permits, which requires public input.