I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets.... , I4 F! u; Z# n: q) @ : c& R1 R$ m) R* \, Z! yFor me, I think car-pool is just to share part of gas "cost" and have some fun on road.....6 i5 k/ c4 @) [8 D/ s
* a/ f* v4 L6 I; k. yI usally charge passager 30 bucks for a trip.