SOME ASPECTS OF SPEED AND ENERGY UTILIZATION IN URBAN ROAD TRANSPORT

The large modern cities of the world, of which Sydney is typical, are enormous consumers of energy for transport. In Australia more than 60% of people use a motor vehicle for the journey to work, as suitable alternative means of transport do not exist. The energy consumption of the private motor vehicle is highly correlated with the average speed and halts per unit distance. In Sydney at peak hour, average speeds are low; approximately 19 kph, and more than 50% of the time the engine operates under idle/no load conditions. It is estimated that 14 percent of the petrol is consumed under these conditions. A modest increase in traffic speed in zones where the average speed is less than 24 kph would support an investment of $30.2M p.a. Devices to reduce idle petrol consumption are available and should be considered in the face of larger annual imports of more costly crude oil to provide fuel for road transport. (A) /TRRL/

• Supplemental Notes:
  • Conference on Energy Management, Sydney, Australia, 1976.
• Corporate Authors:

  Institute of Fuel

  18 Devonshire Street, Portland Place
  London W1,   England 
• Authors:
  • Hamilton, R B
• Publication Date: 1976

Language

• English

Media Info

• Features: Figures; References; Tables;
• Pagination: 15 p.

Subject/Index Terms

• TRT Terms: Commuting; Energy; Energy conservation; Engine idling; Fuel consumption; Motor vehicles; Private transportation; Speed; Urban areas; Work trips
• Geographic Terms: Australia
• Old TRIS Terms: Idling
• ITRD Terms: 8006: Australia; 212: Energy conservation; 232: Fuel consumption; 621: Journey to work; 746: Private transport; 313: Urban area
• Subject Areas: Administration and Management; Energy; Environment; Highways; Safety and Human Factors; Vehicles and Equipment; I96: Vehicle Operating Costs;

Filing Info

• Accession Number: 00164201
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Report/Paper Numbers: Analytic
• Files: ITRD, TRIS, ATRI
• Created Date: May 18 1978 12:00AM