Some of the more traditional energy producers say if you want the economy to do better, maybe take some of the regulations off in terms of making it easier to drill or to gather coal until you can develop those green energies.

WHITEHOUSE: Press Briefing

But many here are beginning to brace for change as the Illinois Legislature considers regulations that could set off a rush among energy companies to drill deep in the southern Illinois bedrock for oil and natural gas.

NPR: Scenic, Struggling S. Illinois Braces For Oil Rush

Many executives see the drive toward sustainability as a forced march, one in which the government plays the role of drill sergeant, yelling at companies to be more efficient and cut carbon emissions and then punishing them with regulations.

FORBES: Four Steps to Improving Profits through Sustainability