The board’s passage of the proposed rules is somewhat surprising in a coal-heavy state, because it could potentially raise the cost of coal mining in Wyoming for some companies. However, there is political support for more stringent environmental rules after a number of coal companies filed for bankruptcy in recent years. Although no companies ended up abandoning mine cleanup to the state, the specter of hundreds of millions of dollars of cleanup in the event of another coal downturn has left regulators eager to limit how much damage the state could be on the hook for. The five-person advisory board voted 4-1 in favor of limiting self-bonding. The board member who voted against limits to self-bonding works for Peabody Energy, a major coal producer in the state.
The limits wouldn’t do away with self-bonding in Wyoming. Instead, to qualify for self-bonding, a coal company would have to have a strong credit-rating and would be expected to run the mine for at least five more years. The Star-Tribune notes that credit ratings for coal firms also factor in the health of the market, so the state of Wyoming wouldn’t have to independently evaluate the larger economic risks to a mine going under.
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