I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets.... : V9 ]' J6 `* b# G D' e" ?/ a: W- t1 D
For me, I think car-pool is just to share part of gas "cost" and have some fun on road..... $ ^! ?. J- B$ Z* K+ N' \: ]1 i. l3 N+ Z1 K- y6 f1 G8 l+ ~# \, B0 b
I usally charge passager 30 bucks for a trip.