CONTROL OF AUTOMOTIVE EMISSIONS BY LEAD TOLERANCE SYSTEMS OPERATING UNDER LEAN CONDITIONS: EXPERIMENTAL COMPARISON AMONG "ENGINE MODIFICATIONS", "LEAN THERMAL REACTOR" AND "STRATIFIED CHARGE"

The future course of automotive-emission legislation in Europe appears to be a gradual reduction in HC and CO emissions, while maintaining NOX emissions no higher than the present level. Catalytic converters and unleaded gasoline do not appear as likely requirements. In this context a brief study was carried out to determine the relative effectiveness of three lead-tolerant systems: lean carburation, a lean thermal reactor, and a stratified charge (torch ignition engine). All three approaches were capable of meeting the current ece emissions levels quite comfortably, though to different degrees of effectiveness. There was some slight penalty in fuel economy or performance, differing from case to case, but this was not considered serious. No increase in gasoline octane number appeared to be required. /TRRL/

• Supplemental Notes:
  • Sixteenth International Automobile Technical Congress.
• Corporate Authors:

  International Federation of Auto Techniques Engs

  3 Avenue du President Wilson
  F 75116 Paris,   France 
• Authors:
  • Cochiara, F
  • Marcenaro, G
• Publication Date: 0

Language

• English

Media Info

• Pagination: p. 1
• Serial:
  • Publication of: International Federation of Auto Techniques Engs
  • Issue Number: 0
  • Publisher: International Federation of Auto Techniques Engs

Subject/Index Terms

• TRT Terms: Air quality management; Carbon monoxide; Carburetion; Catalytic converters; Conferences; Exhaust gases; Fuel consumption; Gasoline; Hydrocarbons; Laws; Lead (Metal); Lean fuel mixtures; Legislation; Octane number; Stratified charge engines; Thermal reactors; Unleaded gasoline
• Geographic Terms: Europe
• Old TRIS Terms: Exhaust emission control; Lead free; Lean fuel engine; Octane rating
• ITRD Terms: 7391: Carbon monoxide; 8525: Conference; 8034: Europe; 7367: Hydrocarbon; 7138: Lead (metal); 1556: Legislation
• Subject Areas: Energy; Highways; Law; Safety and Human Factors; Vehicles and Equipment; I91: Vehicle Design and Safety;

Filing Info

• Accession Number: 00163327
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Report/Paper Numbers: Analytic
• Files: ITRD, TRIS
• Created Date: Mar 7 1978 12:00AM