I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....7 L+ G1 B: s; H. _- \- w
4 U( a4 e3 b7 h' c$ f% fFor me, I think car-pool is just to share part of gas "cost" and have some fun on road..... 2 r8 w7 \( Y( ~: \8 D* t( K' G0 H: {( f8 Y) M, N
I usally charge passager 30 bucks for a trip.