25 Sep
2001
25 Sep
'01
12:24 p.m.
At 02:23 PM 9/25/01 +0100, Ken Brown wrote:
My guess is their thinking is based on damage to road surface rather than on fuel consumption. Damage to road surface varies with some unlikely power of pressure exerted.
Aha. Then charging by weight would be equiv. to charging by tire pressure x area which would be reasonable if the exponent in the road damage function were 1. Thanks.