I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets....8 s- [5 m# ?7 Q6 A( q% V5 a4 V
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For me, I think car-pool is just to share part of gas "cost" and have some fun on road...... h! A; n- R& ]8 b/ O
4 D3 y; Q& W) j6 o, S; V! JI usally charge passager 30 bucks for a trip.