I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets.... / u1 A/ X9 Z6 w4 l; }: ^9 U' k5 ?: b! }( I1 _
For me, I think car-pool is just to share part of gas "cost" and have some fun on road.....2 p8 {& M L3 }5 u- J( S/ [
* t: d- g& \/ X9 i" i; WI usally charge passager 30 bucks for a trip.