I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....: _* ~# f ]3 {7 x8 s
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For me, I think car-pool is just to share part of gas "cost" and have some fun on road...... E: E5 e) A/ Y" ~1 K [' y
5 u: m/ e, P! k1 ?! lI usally charge passager 30 bucks for a trip.