@book{256919,
	author = {United States.},
	title = {EPA grants relief for fire trucks and ambulances ; proposes SCR maintenance and short-term relief for nonroad equipment.},
	publisher = {United States Environmental Protection Agency, Office of Transportation and Air Quality,},
	year = {2012.},
	series = {Regulatory announcement},
	address = {[Washington, DC] :},
	note = {Title from title screen (viewed Oct 17, 2012).},
	url = {http://purl.fdlp.gov/GPO/gpo73673}
}