HYUNDAI Announces Order for 7748 Hybrid and Fuel Cell Buses
2008-07-16 Source：english.chinabuses.com
Summarize：South Korean vehicle manufacturer Hyundai has signed an agreement to supply the city of Seoul with 7,748 eco-friendly buses, the order to be completed by 2018. The first batch of vehicles are so-calle ...
South Korean vehicle manufacturer Hyundai has signed an agreement to supply the city of Seoul with 7,748 eco-friendly buses, the order to be completed by 2018. The first batch of vehicles are so-called mild-hybrid buses, which are 10-15% more fuel-efficient than normal buses. Full-hybrid buses will be arriving in 2011 and zero-emissions Fuel Cell Electric Buses by 2013.
By securing this agreement, Hyundai Motor will now be able to actively invest in the development and commercialization of low-polluting technology. Hyundai will begin supplying the city with mild-hybrid buses this year, then supply full-hybrid system buses from 2011 and fuel-cell electric buses - which have zero pollution– starting from 2013.A bus with a mild–hybrid system is one where the hybrid system is only partially applied. It works the same way as a full–hybrid system in that its engine automatically shuts off when the bus comes to a full stop, cutting back on the use of fuel. However, the mild system is just one–fifth the cost of a full–hybrid system.The biggest difference between a mild–hybrid system and a full–hybrid system is that when a full–hybrid system comes to a stop, it transforms the energy from the brakes into electricity and uses it as kinetic energy when accelerating. Furthermore, a mild-hybrid system bus has a 10-15 percent better fuel efficiency than a conventionally powered diesel or CNG (Compressed Natural Gas) bus, Hyundai claims. It also contributes to cleaner air by cutting CO2 emissions by 21 percent and nitrogen oxide emissions by 89 percent, compared with a diesel bus, according to Hyundai.Hyundai Motor recently delivered the first two mild–hybrid system buses to an operator, and will hand over more during the months to come.Hyundai completed the development of its mild hybrid system, which, the company says is its proprietary technology, in April. Since then, buses have been undergoing fleet test operations with a number of local operators.
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