Koch-linked group serves notice on Senate EPA vote

The “key vote” alert also urges senators not to vote for a pair of Democratic amendments that would limit or delay the rules while keeping EPA’s regulatory authority intact, alleging neither will “alleviate the painful economic impact or the threat to the separation of powers.”

The memo warns that the group will “rate these votes in our congressional ratings.”

Industry groups including the National Association of Manufacturers and the American Coalition for Clean Coal Electricity are using ads to press politically vulnerable lawmakers to vote in favor of scuttling EPA climate rules.

Votes on the climate measures are expected this week, but the timing is uncertain.