Wed 22 Aug 2007
MAN and Siemens Join Hands - Diesel Electric Hybrid Bus Runs On the Roads of Nuremberg
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Cities were never so polluted before, planet was never so hot, our surroundings were never so unfriendly to the living beings.
Almost every city in the whole world would tell you the same story - but very few of them take practical initiative to make the things better.
Nuremberg is a bright exception - its public transport system has just taken a test drive of a diesel-electric hybrid bus developed by MAN. However the drive-system technology was provided by Siemens.
The Prototype vehicles, also known as City Hybrid low-floor bus is expected to make big contribution toward a greener public transport system in Germany.
MAN - the famous European engine and motor vehicle group has long been engaged in the researches on the technologies for storage and utilization of braking energy, testing hydraulic storage systems, mechanical flywheel storage systems and ultimately the conversion into electric energy and its efficient storage. So far these expensive researches failed to deliver any economically viable solutions - but not any more.
With the new MAN Lion´s City Hybrid low-floor bus, a new chapter has been added to the eco friendly public transport system.
The prototype features a special brake energy recovery system and is reported to use up to 25 percent less fuel than conventional buses. An electric motor initially puts the vehicle in motion. The motor also doubles up as a generator - it helps in converting the kinetic energy into electricity, which can be stored for future use to power the vehicle.
The drive system consists of series-produced components. This will enable MAN to start mass production of the bus by 2010. These diesel electric hybrid buses can be the ideal solution for urban roads, where the vehicles consume more fuels due to constant braking and accelerating.