Will it be enough to save coal jobs?
The low number is part of a steep and steady drop that's been ongoing since 2007.
Concerns arose before Hurricane Florence made landfall about the piles of toxic waste from coal-burning power plants in the storm's path.
As the Trump administration attempts to roll back regulations on coal ash ponds, a new report highlights the dangers posed by storing toxic waste next to rivers.
By air or water, pollution from power plants is a problem no matter which exit it takes.