MDU Resources Group, Inc. is committed to operating in a manner that meets or exceeds all standards set forth in the federal Clean Air Act. Our activities include proactive emissions controls, measures and research.

Emissions Control

• Clean Air Act Compliance
• Sulfur Dioxide Reductions
• Voluntary Greenhouse Gas Reductions
• Vehicle Emissions Reductions
• Compression Engine Permitting
• Wind-Generated Electricity

Research

• Carbon Dioxide Use Studies
• Mercury Research and Testing