EcoWatch: In the Presidents recent speech on climate change, he said our national interest will be served only if [Keystone XL] does not significantly exacerbate the problem of carbon pollution.
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 tar sands oil, and when burned is substantially dirtier than coal...