Field test shows Volvo Buses’ plug-in hybrid reduces fuel consumption by 81% and energy consumption by 61%; 21 mpg Volvo Plug-in hybrid_EN_2013 Volvo Bus’ plug-in hybrid. The pantograph for rapid charging can be seen on the roof. Field tests being conducted in Gothenburg show that Volvo Buses’ plug-in hybrid reduces fuel consumption by 81% and total energy consumption (diesel plus electricity) by 61% compared to a comparable Euro 5 diesel bus. ( Earlier post .) The field test in Gothenburg began in June 2013 and includes three plug-in hybrid buses, the batteries of which are rapidly recharged at the terminals. This makes it possible for the buses to run on electric power for most of the route. The plug-in hybrids are based on the Volvo 7900 Hybrid, Volvo Buses’ second series-produced hybrid bus model. The plug-in hybrids have been further developed, and enable rapid recharging from […]