Fuel consumption Volvo Buses India

Volvo Buses is proud of the position on the Indian market. One of the strong contributors is the low fuel consumption that we achieve by using our “top of the line” engines. I frequently get questions about what is “normal” and what can be expected when it comes to fuel consumption. And, the answer is always: “It depends mainly on: driving speed, idle time share, air conditioner usage, topography and driver behavior”.

Mostly the average speed is used as the sole parameter for characterizing the driving behavior. This is a very rough approximation. I have looked at the overall statistics of the Volvo Buses and coaches in India.

When assessing the B7R and RLE buses in India the average time share is:

Idle: 24% (which is very low in an international perspective)

Drive: 76%

The contribution to the drive part is (summarize to 76%):

Pedal (acceleration): 46%

Breaking: 2.5%

Coasting/”Sailing”/engine breaking (no pedal): 16%

Top gear driving: 11.5%

Fuel consumption Volvo buses India

Fuel consumption versus drive speed (km/h). Note that average speed in India is significantly lower than “drive speed”.

When assessing the fuel consumption, looking at data of what is normal and what is achieved by other buses at similar conditions can be very helpful. Still, the picture of the fuel consumption of all buses must be seen in the light of the variations caused by all parameters, although here only plotted versus the drive speed in km/h.

A high idle share, a demanding topography or an aggressive driving behavior all have high impact. Buses driven in hot areas with high utilization of the air condition always have a significantly higher fuel consumption than the corresponding buses at more moderately temperated regions.

The very low fuel consumption reached by Volvo Buses in India contribute to low operating costs and high residual value.

About volvobuses

Adjunct Professor of Catalysis at Chalmers University of Technology. Lives in Gothenburg, Sweden, with my wife and three daughters born in 1991, 1994 and 1997. Is a passionate runner.
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