I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets.... 3 T' X& f) U5 _' W( t; ~3 W G# i5 C, ~6 N' N% b" `- Q- M
For me, I think car-pool is just to share part of gas "cost" and have some fun on road....." {! K9 q% ?) L9 D
7 B; r @$ d3 t! ]3 [; WI usally charge passager 30 bucks for a trip.