Searching for western Michigan bike shops , I found this comparative cost calculator for estimating car cost visa bike commute costs. An interesting find. thanks to the Village Bike shops of the Grand Rapids area. My comparative costs 132 dollars in the car, 12 dollars on the bike.
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Even if you only ride occasionally, the savings of bicycling instead of driving are substantial—and you probably already own a bike! Enter your numbers above, then hit the Calculate buttons to see your savings. And, remember the other great benefits, like how much healthier you'll be, how much better you'll feel at work, how easy it is, and how much fun, too! We're hooked on bicycling and living green. Just visit or ask and we'll help you start saving!
http://villagebikeshop.com/