I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....5 X8 Z5 R z8 R6 z
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For me, I think car-pool is just to share part of gas "cost" and have some fun on road..... , P/ E8 X, v6 G; g" a) W d6 F- o/ w, A6 E, lI usally charge passager 30 bucks for a trip.