Study of emissions from light-duty vehicles in Denver. Final report

Technical Report · Mon Aug 31 00:00:00 EDT 1981

OSTI ID:5477130

A sample of 300 light-duty vehicles normally operated in the Denver metropolitan area was tested for emissions and fuel economy. The vehicles were from the 1978 through 1982 model years and included both passenger cars and light-duty trucks. One purpose of the program was to gather information for calculations and projections of ambient air quality. Another purpose was to assemble data on current model year vehicles for use in the support of Inspection/Maintenance and other regulatory programs. The vehicles were tested for exhaust emissions utilizing the Federal Test Procedure, the Highway Fuel Economy Test (HFET), and four short mode tests. 125 vehicles from the 1980-82 model years received an evaporative emission test using the sealed housing evaporative determination (SHED) technique. Other actions were taken in relation to each vehicle tested. These included an engine and emission control system maladjustment/disablement and status inspection, driveability evaluations, and owner interviews to obtain vehicle maintenance and usage data.

• Research Organization: Automotive Testing Labs., Inc., Aurora, CO (USA)
• OSTI ID: 5477130
• Report Number(s): PB-83-260174
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
AUTOMOBILES
EXHAUST GASES
FUEL ECONOMY
TRUCKS
AIR POLLUTION
COLORADO
FUEL CONSUMPTION
INSPECTION
MAINTENANCE
MEASURING INSTRUMENTS
URBAN AREAS
ENERGY CONSUMPTION
FEDERAL REGION VIII
FLUIDS
GASEOUS WASTES
GASES
NORTH AMERICA
POLLUTION
USA
VEHICLES
WASTES
330700* - Advanced Propulsion Systems- Emission Control