Clean air legislation has always generated bitter industrial and regional differences.

If clean air legislation is to pass in this session of Congress, compromise will be essential, several members said.

A spokesman for an industry coalition trying to influence the clean air legislation also criticized the draft.

Now, conservation groups are waiting to see how the new clean air legislation ultimately affects the ecology of the West.

He was also an advocate of clean air legislation.

But, he said, without Administration support it might not be possible to pass strong clean air legislation this year.

And there are many differences between the today's compromise and the clean air legislation that is before the House committee.

The report largely addresses the critical issues and fits in well with existing clean air legislation.

But the clean air legislation offers ample opportunity for conflict between and within industries.

He has worked to balance clean air legislation with the need to protect manufacturing jobs.