> IOW, is aluminium *really* cost-effective for the motorist ? It was never suggested that it was, compared to current alternatives. The system is yet another way of getting hydrogen where and when you need it. As such is has promise. Needs work though, and will never compete with oil head on. Russell -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist