what is CNG ? The answer is compressed natural gas. The compressed natural gas (CNG) bus uses a spark-ignition engine to burn natural gas, which contains mostly methane obtained from fossil resources. Most compressed natural gas CNG buses(or trucks, vans) are equipped with a diesel engine modified to a spark-ignition engine that is optimized for the use of natural gas. Gas cylinders are installed that can be refueled at gas stations with compressed natural gas. Such engines can be of two basic types: Stoichiometric - this type enables the use of a three-way catalytic converter as in common gasoline cars. Lean burn (high air/fuel ratio) - this type is 10-20% more fuel efficient than stoichiometric engines, but also has higher NOx emissions. A three-way catalytic converter is unsuitable, but oxidation catalysts can be employed. The great majority of heavy-duty natural gas engines are of this design. In general, CNG buses (or trucks, vans) are between 17% and 41% less fuel efficient than conventional diesel buses. They have a substantially lower driving range than diesel buses - e.g. in CNG buses are described as having a driving range of about 300 miles (of course depending upon the capacity of the gas cylinders) compared to a little more than 400 miles for diesel buses. Nanjing Dongyu Auto Group Import & Export Company Limited, was established and held by Nanjing Dongyu Auto Group Co., Ltd. which possesses 4 vehicle production bases and 5 auto accessory factories, it mainly specialize in medium heavy-duty trucks, light trucks, buses, CNG buses, and special cars etc. We also supply Mini Coaches, Minibus, mini van etc. Mini Coaches are little buses that get the big job of moving smaller groups or employees between hotels, airports, worksites, fairgrounds, etc. Minibus rentals have individual seating like a deluxe motorcoach, but are used for smaller groups and shorter distances - trips under 150 miles. A quick tip: on-board luggage capacities vary widely in Minibus, which may be an important consideration if you're shuttling out-of-town travelers. We are vehicle manufacturers in Nan Jing,China, and available of two models of mini van- NDY6381A and NDY6381. This mini van is altogether endowed with seven comfortable seats. And it takes care of its passengers in a well- designed, nicely finished interior. The two mini van models offer a high level of standard equipment.On the basis of "High Quality, Competitive Prices and Reasonable Service", our mini van Vehicles are being well sold in many countries of South Asia, Mid-East Area and Africa, and other countries. At present, we are expecting more and more Powerful distributors to open for us more and more Doors to world wide, and we are confident that our mini van vehicles will meet your demands. The most important thing of tour bus manufacturer is safty. undoubtedly our tourist buses are out of these problems cause our company has established good & long-term business relationship with many of Vehicle manufactures in China. All these manufacturers have had complete Quality Controlling and Spare Parts Supplying system already. Even that we have been the Exclusive Exporting Agencys for most of them. Most tourist buses are 30seats tourist buses-----63seats tourist buses. Related Articles - minibus for sale, Heavy truck, dump truck for sale, bus manufacturer, Email this Article to a Friend! Receive Articles like this one direct to your email box!Subscribe for free today!
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