OTOH, a computer model done in the early 90s showed that the wind alone along the UP in Wyoming, if fully harnessed, could provide enough kwh to power all of UP's freight on their full system at that time. The car limit cited is a function of circuit size, not electrification as a concept. This is similar to saying you can't use electricity for residential heat alongside cooking, hot water heating which is only true if the total service to he building is inadequate.