Republicans blast pollution rules for driving up the cost of gasoline in the Midwest.
He said legislators did not intend the pollution rules to serve as a development plan when they passed the original law in the 1970's.
Paper stocks took a drubbing late in the session amid concern about new pollution rules for the industry.
If, as expected, the proposed pollution rule is adopted, officials of environmental groups said they were likely to challenge the regulation in court.
It is hardly evidence that states are "neglecting pollution rules."
Any such expansion of pollution rules would probably require action by Congress, where there is significant opposition to the idea.
Also, industries may raise objections to stronger pollution rules requiring special action.
As long as they have that classification, they are not subject to any pollution rules.
The institute, the industry's main trade association, also favors tax incentives for new drilling and relief from some pollution rules.
Federal safety and pollution rules were another blow.