“…Savings of about 10% could be found for continuous feedback [4] throughout the drive, 5% savings are reported for trainings with no further (continuous) support. Interestingly, also savings up to 26.8% are reported for a field trial study where drivers did not receive any continuous feedback or hands-on coaching, but were simply asked to drive energy efficiently [5]. One reason for such high savings could lay in the fact that the drivers were familiar with their vehicles.…”