Training individuals to drive in a more economical manner would be particularly important for professional drivers, who in general drive longer distances than the general public. A number of organisations have implemented driver training to improve fleet safety and fuel efficiency, but several researcher have questioned whether driver training is effective (e.g.Christie, 2001). However, a randomised controlled trial of four fleet safety interventions showed that there is at least the
possibility that driver training could be effective if the right interventions are put in place, with the driver training group showing a significant reduction in crash costs