What is the level of EPA certification required for a diesel engine in a transit/commuter/diesel multiple unit application?
A. The Environmental Protection Administration oversees all diesel engine emissions standards and related issues, including engines used in railroad locomotives. The EPA Internet Home Page may be accessed at http://www.epa.gov/ The Office with jurisdiction is the Office of Transportation and Air Quality (formerly the Office of Mobile Sources). This Office has a “Locomotive Emissions” page which may be accessed at http://www.epa.gov/otaq/locomotives.htm. This page contains references to many regulatory documents. (Revised: May 2010) Q.
