InsideClimate: A key piece of data related to the biggest tar sands oil spill in U.S. history has disappeared from the Environmental Protection Agency's website, adding to confusion about the size of the spill and possibly reducing the fine that the company responsible for the accident would be required to pay.
The July 2010 accident on an Enbridge Inc. pipeline dumped thousands of barrels of Canadian dilbit into the Kalamazoo River and surrounding wetlands. But almost three years and two federal investigations...