Stationary Engines Cause Excess Emissions in Communities Across the Country

Purpose
This Enforcement Alert informs owners and operators of stationary engines that EPA has been finding numerous
violations of the applicable Clean Air Act requirements. The Agency has taken enforcement actions and assessed
substantial penalties for facilities that have failed to comply. Stationary engines are used in applications such as
generating electricity, providing primary power, and powering various equipment such as pumps and compressors.
They are also used to supply power in the event of emergencies such as fire or flood. Stationary engines combust fuel
oil or natural gas and have the potential to emit pollutants that negatively impact air quality.

Additional information: https://www.epa.gov/system/files/documents/2022-09/engineenforcement0822.pdf