Daimler-Benz presented an experimental bus for combined battery / trolley operation in Esslingen. The Duo bus, based on the Mercedes-Benz OE 302, went into regular service trials the same day.
Daimler-Benz presented an experimental bus for combined battery / trolley operation in Esslingen. The Duo bus, based on the Mercedes-Benz OE 302, went into regular service trials the same day.
