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Friday, January 15, 2010
Mercedes-Benz Citaro Fuel Cell Bus
Image: © 2010 theirEarth.com

An Absolutely Clean Zero-Emissions Bus

HAMBURG, GERMANY - Mercedes-Benz premiered their new 2010 Citaro Fuel Cell Hybrid Bus at the end of last year, and in doing so they demonstrated how far they had come in making a production hydrogen powered bus a true commercial success. For 2010, Daimler, Mercedes-Benz's parent company, will introduce a series of ten of their first production models of the Citaro Fuel Cell bus into full passenger service with the Hamburg Transport Authority in Germany. Additionally, a further twenty fuel cell Citaro's will be delivered to the Hamburger Hochbahn Authority throughout 2010 for fleet testing.

These first full-scale tests of production 2010 Mercedes-Benz Citaro Fuel Cell Hybrid buses in regular service will help support the foundation of many worldwide city clean energy transporation initiatives in this decade, and Daimler AG appears well position to tap into this market globally. The Citaro F-CELL benefits by having a co-developed powertrain shared with the Mercedes-Benz hydrogen powered B-Class F-CELL car. theirEarth Motoring had a chance to preview the B-Class's revolutionary powertrain at a special test session in Monaco late last year and we found it to be spectacular as a design; - silent, and thoroughly thought out. In fact, in the case of the 2010 Citaro Fuel Cell bus, it uses two B-Class F-CELL engines as its solution for zero-emissions mobility.

The Citaro hydrogen fuel cell bus is also a hybrid vehicle, and it is equipped with a sophisticated lithium-ion battery pack system that balances any start-up and surge loading of the fuel cell engines. The lithium-ion battery also acts to store braking kinetic energy through conversion during all deceleration manoeuvres. The hydrogen powered Citaro can travel up to 250 km's on a full charge, which makes it ideal for operating in commuting corridors to and from major city centres as part of a zero-emissions transport strategy.

The Citaro Fuel Cell Bus has a high storage capacity for hydrogen gas in its onboard tanks and these can be refilled in minutes and operate at 700 bar pressure. Where hydrogen fuel cell buses make absolute sense is in replacing the long commute that single passenger vehicles make entering major cities by having zero-emissions 70 passenger buses, like the Citaro F-CELL, achieving the future commuting requirements of suburban communities in style and using clean technology.

Daimler says that the latest generation 2010 Citaro F-CELL bus uses 50% less fuel than their first generation model designed two years ago, and that their testing has shown that the Mercedes-Benz fuel cell system is virtually maintenance free - great news to the purchasers of the 2010 Mercedes B-Class F-CELL car in limited production and using the same powertrain.

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