Insuring Two Cars

I just faxed out another batch of faxed resumes to schools that have job openings. I am pondering one other position, but the thing that is stopping me is that it would involve me making home visits and using my own car. I have two cars, but I can only afford the car insurance on one of them, so I have the little gas-efficient one sitting undriven. I use the van right now, because it has much better crash test ratings and most of my driving involved having my daughter in the vehicle. However,