I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....; M$ K9 H* |- {8 h
: _3 o8 y. w3 N9 H, T& eFor me, I think car-pool is just to share part of gas "cost" and have some fun on road.....! \* u( h. o( u" ?4 G
! S) r& M0 I0 {$ UI usally charge passager 30 bucks for a trip.