Abstract: Using Transport and Road Research Laboratory research results (instrumented car and computer model), the potential for fuel conservation in internal combustion-engined vehicles is examined in terms of driver performance, vehicle design and operation, and road layout and traffic. The need to balance the value of fuel conservation against other competing factors (e.g. travel time, cost, emissions) is noted. Good driving habits which can contribute to fuel savings without large penalties include moderate acceleration, anticipation of braking, and traveling at moderate speeds. Traveling at off-peak times and not using a car for short journeys can also save fuel, but at reduced traveler convenience. Eliminating the least economical driving practices may provide fuel savings of 10% to 15%. The major fuel-saving vehicle design change would be switching from a gasoline to a diesel or other high-efficiency engine. Other design changes and improved maintenance could lead to a 40% fuel economy savings. The best potential in the road system seems to be increasing capacity and smoothing flow in urban areas. There is a need for further research using various driving cycles (in addition to Economic Commission for Europe-15). A selective vehicle or fuel tax or fuel economy standards may also be required.
Publication Year: 1980
Publication Date: 1980-01-01
Language: en
Type: article
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Cited By Count: 42
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