I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets.... ! p2 h% ?* \; V0 s 8 B: H O6 w: |For me, I think car-pool is just to share part of gas "cost" and have some fun on road.....% F) v4 `9 J' C) p) b5 p% I% {
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I usally charge passager 30 bucks for a trip.