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Originally Posted by Zappo Also, a more thoughtful matter is that if my observation is correct then the way we measure FE is also not very perfect as we now have a coefficient of fuel-foam factor in the equation. |
What you have said is correct BUT if I have been using the same petrol station and always use the auto cut-off, my FE measurement would be consistent if not perfect, wouldn't it?
In Madras, I almost always use only 1 petrol station (BP) and sometimes 2 others (both IOC).
First tankful at odo reading 46
Latest tankful at odo reading 56416
Distance between tankfuls: 56370 km
Fuel filled between these tankfuls: 5044.89 litres
Overall FE: 11.17 kpl (which is what I quote everywhere)
A/C is always on. My driving over this distance has been 90% city and 10% highway. I shift up at 15-30-45-60 for 2-3-4-5. I never switch off the engine or A/C at traffic lights or while waiting for someone in the car.
Perfect? No. Consistent? I think so. What do others think?