I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....+ K/ b' e$ y% l
( }" t# F; S/ [! p- q! v8 {' R' oFor me, I think car-pool is just to share part of gas "cost" and have some fun on road..... 4 r% D2 C. d2 G- I - J1 ^* \/ p6 b R6 d4 ~8 w8 T mI usally charge passager 30 bucks for a trip.