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TROLZA ECOBUS-5250 RUSSIA As the number of motor vehicles and ensuing noxious exhaust grows in Russia, the need for environmentally clean, convenient, and cost-efficient public transportation remains a priority for urban transport developers. While buses, large trolleys connected to electric lines above city streets, and smaller streetcars are an integral part of any metropolitan mass transportation network, they lack the capacity to meet Russia’s accelerating transportation demands. Trolza’s ECObus-5250 may be the answer. ECObus combines the maneuverability of a standard bus and the “on-the-fly” continuous power of an electric trolley or streetcar. Rather than operating on electricity directly from the utility or an internal combustion engine like many European hybrids, batteries charged by an onboard Capstone C65 microturbine power the ECObus. Fueled by natural gas stored in onboard gas cylinders, the microturbines turn on when batteries run low to re-energize them, which allows the bus to continue rolling quietly and smoothly through streets without stopping for battery recharges. The C65 for hybrid electric vehicle applications runs on a spectrum of commercially available fuel types, including – but not limited to – natural gas, methane gas, and diesel. Regardless of the type of fuel burned, the environmental attributes of ECObus meet the requirements of the stringent Euro-4 emission standards, since exhaust from Capstone microturbines contains no more than 9 ppm of NOx and CO. Fuel efficiency of a Capstone energized hybrid vehicle is 40 – 80 percent higher than conventional drivetrain vehicles. The absence of service fluids in Capstone microturbines, such as oil and coolants, significantly reduces maintenance expenses. In fact, service costs of a Capstone energized hybrid are 70 percent lower than a conventional engine. The ECObus cuts fuel consumption, emissions, and maintenance, but does not compromise passenger comfort. Using a heating fluid loop, the microturbines’ thermal energy is captured and efficiently used in the passenger compartment heating system, eliminating the need for an autonomous heating system. The mere hum of the microturbine beneath the floorboard does not exceed 60 dB, which is similar to the muted noise level of a trolley-bus. In addition, the microturbine’s low vibration ensures even greater comfort. The compact microturbine and associated equipment allowed designers to save space in the passenger compartment, which is designed to comfortably transport 95 passengers. ECObuses currently are being deployed in large Russian cities and resorts in Southern Russia, and will play an important transportation role during the 2014 Olympic Games in Sochi, Russia. Powered by a Capstone C65 microturbine, the ECObus in Russia cuts fuel consumption, emissions, and maintenance, without compromising passenger comfort.PDF Image | 2011 Annual Report Capstone Turbine Corporation
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