Nonroad engine population estimates
By: Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency
Contributors: United States. Environmental Protection Agency
Publisher: United States Environmental Protection Agency
Published: 2010
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 48
Subjects: Engines; Estimates; Air; Pollution; Forecasting; Combustion gases
Notes: Title from title screen (viewed on December 13, 2013).

"July 2010."

"EPA-420-R-10-017."

"NR-006e."

Includes bibliographical references (page 15).