Volvo plug-in hybrid’s 81% savings

Volvo Buses’ plug-in hybrid reduces fuel consumption by 81%, according to the manufacturer, with the total energy consumption cut by 61% compared to a corresponding diesel bus Euro5. From field tests conducted in Gothenburg, the figures for overall energy consumption, including both diesel and electricity, have exceeded the target. The field test began in June 2013 with three plug-in hybrid buses, whose batteries are recharged at the terminals. This makes it possible for the buses to run on electric power for most of the route. It involves 10,000 operating hours and will continue for most of next year. A demo project that will bring eight more plug-in hybrid buses into service will commence next year in Stockholm. Those involved in the project include Volvo Buses, Goteborg Energi, Business Region Goteborg, Trafikkontoret and Vasttrafik. The project is co-financed by Life+, the EU’s financing programme for environmental projects.

Project Manager for the field test at Volvo Buses, Johan Hellsing, said, ‘Our performance results are even slightly better than we had anticipated. The plug-in hybrid consumes less than 11 litres of fuel for every 100km. That’s 81% less fuel than the equivalent diesel bus consumes. Although there are many long, steep gradients on the routes, the plug-in hybrid buses can run on electric power for about 85% percent of the time. The diesel engine only kicks in when the bus needs some extra power. The test drivers from GS Buss really appreciate the quiet, vibration-free ride that you get with an electric powered bus.’


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