“We can talk on and on about the various benefits that come with bikes, but when it comes to municipalities actually implementing policies and infrastructure, the conversation will inevitably turn to numbers. How do the real costs of driving a car compare with the costs of riding a bike? We believe we have developed a comprehensive cost analysis to properly compare these modes of transport.”
The rest of the article is available here (along with cost breakdowns): http://www.copenhagenize.com/2012/06/lets-talk-numbers.html