The Narwhal https://thenarwhal.ca Deep Dives, Cold Facts, & Pointed Commentary en-US Copyright 2026 The Narwhal hourly 1 Koch Brothers’ Tar Sands Waste Petcoke Piles Spread to Chicago https://thenarwhal.ca/koch-brothers-tar-sands-waste-petcoke-piles-spread-detroit-chicago/ Thu, 24 Oct 2013 18:51:58 +0000 http://localhost.com/narwhal/2013/10/24/koch-brothers-tar-sands-waste-petcoke-piles-spread-detroit-chicago/ Indra Das Barack Obama Charles Koch Chicago CO2 David Bing David Koch detroit emissions GHG KCBX Keystone XL Kiley Kroh Koch brothers Koch Carbon Koch Industries Lorne Stockman Midwest Energy news Oilchange International oilsands petcoke petroleum coke pipeline tar sands ThinkProgress US State Department