I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets...." t/ a, t4 C _, p. X1 R# H
, l; ~8 q9 D/ f& K) ?0 J$ ~For me, I think car-pool is just to share part of gas "cost" and have some fun on road..... 4 v7 o0 i# s3 {0 ~& Y( G" _$ l; P& E9 P0 K- c5 R
I usally charge passager 30 bucks for a trip.