Keystone XL’s Petcoke Byproduct Could Single Handedly Wreck the Climate

There are many reasons that the Keystone XL pipeline will clearly exacerbate the problem of climate pollution … but one that is often overlooked (at our peril) is the problem of petroleum coke a.k.a. “petcoke.” Petcoke is a refining byproduct of …

[source: http://ecowatch.com/2013/keystone-petcoke-wreck-the-climate/]