By Ryan Koronowski on August 1, 2013
The Koch brothers and the petroleum companies they own are so scared of a carbon tax, they hired a former Cantor aide to lobby to pass a nonbinding resolution.
By Kiley Kroh on August 1, 2013
A large black cloud spotted over the Detroit River last weekend is confirmed to be petroleum coke, a byproduct of tar sands refining, owned by Koch Carbon.
By Igor Volsky on July 8, 2013
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