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Internal combustion engines

Stationary internal combustion engines are often used for backup or emergency power at a wide range of industrial, commercial and retail establishments. Combustion of diesel fuel oil or natural gas creates air pollution, while storage of large quantities of fuel oil presents spill containment and clean up issues. This section provides resources to help businesses using internal combustion engines comply with environmental regulations.

Air permits for engines

Combustion Sources and Air Pollution Construction Permits (AM-427) — A fact sheet describing the air pollution construction permit program and how it affects combustion sources; including calculation examples, definitions and contacts for more assistance.

Air pollution regulations

The EPA published new rules in 2010 aimed at limiting emissions from stationary engines. In January 2013, the EPA finalized revisions to these standards. The requirements vary depending on engine size, age and type of fuel burned. The following fact sheets summarize each rule's applicability and requirements.

Used oil management, spill prevention and cleanup

In order to prevent fuel spills or clean up after a fuel spill, there are a number of regulations a business with an internal combustion engine/generator set should follow.

Additional resources