[Dave Dodd]

Originally Posted by mattr

No they aren't.

A series of standardised test cycles are run, everyone runs the same ones, then the results are used to get a series of "official" fuel consumption figures. (and CO2 figures as well)

The reason very few people get anywhere near the "official" figures is that they don't drive exactly as per the standardised test cycle.

does this test inc speed bumps and teenagers that don't give a T**s

chuckle bus 11p per mile on a good run at a steady speed, normal weekly running about 16p