The Missouri Department of Natural Resources offers grants and other financial assistance to help businesses finance projects to improve air quality in Missouri. A major area of grant assistance is included within the department's 10-year Beneficiary Mitigation Plan through the Volkswagen Diesel Emissions Environmental Mitigation Trust. The grant assistance will provide more than $41 million to Missouri-specific projects by October 2027. Previous funded projects have reduced emissions from trucks, school buses, locomotives, construction equipment and more. The Department of Revenue offers tax sales for the purchase of air pollution equipment or devices.

Diesel Emissions Reduction Act (DERA)
Funding projects to reduce diesel emissions from diesel fleets
Volkswagen Trust Program Funds
Vehicle/engine replacement program to reduce nitrogen dioxide emissions
Air Pollution Control Sales Tax Exemption
Revenue offers sales tax exemptions for air pollution equipment or devices