Harold Hallikainen wrote: >> But you still have to pay insurance, even if you leave the car at home >> so that cost is fixed. Unless you don't have a car at all. > > That's true, there are fixed costs. This was just the ratio of costs I've > experienced in the past year. The minimum I've seen over several years is > maintenance and insurance being twice the cost of fuel. Some recent > repairs have pushed that towards 3 times. Maintenance is mostly km (miles) related, insurance and registration fees aren't. So in an "I need a car anyway" scenario, the cost of the additional ride doesn't include the insurance and registration part. How you bend your numbers depends all on what you're asking for... :) Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist