The tech behind the Keystone Pipeline

The Obama administration continues to block the controversial Keystone XL pipeline that would transport nearly 35 million gallons of oil a day from Canada to the U.S., citing environmental concerns as the reason. But according to pipeline advocates, it would use the latest technology and best safety features to prevent spills.

What is that technology and how does it work?

Advanced steel is part of it. The current part of the Keystone pipeline that already exists uses 2,638 miles of hardened steel built to “withstand impact from a 65-ton excavator with 3.5-inch teeth,” according to TransCanada, the company behind the Keystone pipeline.

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