I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....1 J5 C! u0 a, ]! V! r G+ x
& N& K C, S- Y% ~- `: nFor me, I think car-pool is just to share part of gas "cost" and have some fun on road..... ' s6 \8 G5 n7 U8 }# _' S; Z' I! A9 N8 l1 K' q# \! F
I usally charge passager 30 bucks for a trip.