I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....7 O' r/ ]" r' f+ j& l/ ^
( L' y0 P- i6 w8 M# q7 S2 rFor me, I think car-pool is just to share part of gas "cost" and have some fun on road..... ; h# M+ K7 \1 B: K, ^" v d 9 ^+ P1 Q( z- r; b/ x: `I usally charge passager 30 bucks for a trip.