A mountain of coal is piled next to Duke Energy's Marshall Steam Station on Lake Norman. Ash produced when coal is burned can contaminate water, but it’s also a useful ingredient in products such as concrete.
A mountain of coal is piled next to Duke Energy's Marshall Steam Station on Lake Norman. Ash produced when coal is burned can contaminate water, but it’s also a useful ingredient in products such as concrete. Davie Hinshaw dhinshaw@charlotteobserver.com
A mountain of coal is piled next to Duke Energy's Marshall Steam Station on Lake Norman. Ash produced when coal is burned can contaminate water, but it’s also a useful ingredient in products such as concrete. Davie Hinshaw dhinshaw@charlotteobserver.com

NC is awash in tons of coal ash. So why did it OK storing imported ash from India?

July 11, 2017 11:53 PM

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