You may be ready to “go green” to save money on fuel, but it’s easy to end up with a little sticker shock when you see the prices listed on the car’s window. Alternative fuel vehicles typically cost more than their conventional counterparts. You can often make up for that price difference in ownership costs over the long term, but don’t let that stop you from shopping around for a great deal. Here are five steps to help you get the best price possible when you buy a green car.