dodgyken:
I have to defend MMC!
A) Swiss road regulations with their rediculous speed limits do have a negative influence on the petrol consumption rate of cars.
B) Furthermore the frequent appearance of mountains in your country provide a significant number of downhill roads where the car needs rather good brakes than a strong engine and therefore burns nearly no petrol. You only need the engine to run uphill but no engine to run downhill...
Keeping the physical parameters of free downhill run in mind the low petrol consumption can not be held against MCC. 50% of your milage in Switzerland must be downhill, otherwise you would end up higher in the mountains every time you drive. Very logic - isn't it?
C) Based on the very logic of the free downhill driving (you have to deduct the downhill milage from your calculation to have a fair calculation comparing to countries with flat areas and no free downhill rolling) in Switzerland the actual petrol consumption of cars is double the rate that appears.