I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....% X; ?) O, r8 ?
9 c9 X2 j; ]# }For me, I think car-pool is just to share part of gas "cost" and have some fun on road.....: J* z' Z* I& w4 ~ A5 H
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I usally charge passager 30 bucks for a trip.