I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets.... 6 C: S0 H3 |4 G. y( Z1 H S& M9 ^+ P# K7 p
For me, I think car-pool is just to share part of gas "cost" and have some fun on road..... : w* B o+ j ]5 ]8 z # k7 ~4 K: `" G, @I usally charge passager 30 bucks for a trip.