Skip to content
FacebookTwitterYouTubeFlickr
U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Office of Planning, Environment, & Realty (HEP)
Planning • Environment • Real Estate

HEP Events Guidance Publications Awards Contacts

The Congestion Mitigation and Air Quality Improvement Program

Figure 8

Emissions of a Typical Car on the Road in 1997, for a 5-Mile Trip
(numbers are approximate)
  VOC CO NOx
Cold Start 2.5 19.5 2.1
Running exhaust 2.7 33 6.8
Running loss 1.6    
Hot soak 1.2    
Parking all day 3.9    

Back to Report

Updated: 07/06/2011
HEP Home Planning Environment Real Estate
Privacy Policy | Freedom of Information Act (FOIA) | Accessibility | Web Policies & Notices | No Fear Act | Report Waste, Fraud and Abuse
U.S. DOT Home | USA.gov | WhiteHouse.gov

Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000