What Are Stationary Internal Combustion Engines?
Start by checking to see if your engine meets the definition of an emergency-use engine and is exempt from permitting. Permitting exemptions can be found in MCAPCO 1.5200 – "Air Quality Permits".
Unsure whether your ICE needs an Air Quality Permit? You can submit an air permit applicability determination.
How Does MCAQ Regulate Stationary Engines?The following regulations listed in the Mecklenburg County Air Pollution Control Ordinance (MCAPCO) apply to stationary engines:
Note: Even though some engines are exempt from permitting in Mecklenburg County, they must still comply with local and federal regulations.
If you have any question about the regulations or any of the information provided here, contact us at 704-336-5430.
Gasoline and Small Diesel Engines (≤ 600 hp)
Dual Fuel and Large Diesel Engines (> 600hp)
Monitoring and Recordkeeping
Typically required for non-emergency engines, large engines at Title V facilities or for engines that operate on a non-standard fuel (ex. digestor gas)
Annual or semi-annual reports may be required depending on the engine's use and a facility's source classification (i.e., major sources)
Understanding the Stationary Engines Rules | US EPA
There are various resources to assist you with understanding and complying with the regulations. EPA has developed a regulation navigation (Reg Nav) tool located here:
Guidance and Tools for Implementing Stationary Engine Requirements | US EPA