Gerhard Fiedler wrote: >> However, cost/benefit must always be considered. > > Exactly. As in moving several tons of metal through rush hour stop and go > every work day just to get one person to and from work. > > The problem with cost/benefit calculations is that they tend to leave out > most of the cost. That's true. It would be awesome if there was a way to accurately calculate the externalities. Are the benefits of decreased emissions worth the losses of productivity and decreased quality of life? And, what is the point at which the latter outweigh the former? Best regards, Vitaliy Maksimov ScanTool.net, LLC Tel.: +1 (602) 923-1870 x112 Fax: +1 (602) 532-7625 E-mail: vitaliy@scantool.net -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist