The invention is an improved method and system to monitor vehicle operation state and operator requests. It combines into a single gauge information indicating current vehicle operating state and ability to increase power assist using a display of instantaneous rate of consumption usage superimposed...http://www.google.fr/patents/US6480106?utm_source=gb-gplus-shareBrevet US6480106 - Rate of consumption gauge with variable rate of consumption limits
Rate of consumption gauge with variable rate of consumption limits