I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....0 Y1 K* U! Q2 a8 r9 A! {
* O6 M$ ?8 L. o8 oFor me, I think car-pool is just to share part of gas "cost" and have some fun on road..... ) `: {* ~! i/ a ]; p! J 7 e5 O) U& W U/ r1 u% iI usally charge passager 30 bucks for a trip.