I don't know the exact "cost", which may be too complicated to calculate it, including car,maintenance,gas,insurrance, even tickets...." u2 d: N* U/ d* l0 o
5 A N! C: k$ n- J
For me, I think car-pool is just to share part of gas "cost" and have some fun on road..... 2 m" l* X0 F7 e+ X3 H2 C ) n3 L8 R W: _% ?9 t( MI usally charge passager 30 bucks for a trip.