On September 25, 2013, 400 Futian Ouhui LNG buses were delivered to the Beijing Public Transport Group, which became the green pillar of Beijing public transport. The on-site inspection data showed that the emission of PM2.5 on LNG buses was slightly higher than 20 μg/m3, with a 97% reduction in carbon monoxide emissions, a 72% reduction in hydrocarbons, and an 80% reduction in nitrogen oxides, which greatly exceeded the emission standards of Europe and the United States. . If LNG is used instead of gasoline and diesel, the fuel cost can be saved by 30%. LNG is an abbreviation for LNG and its main component is methane. The natural gas cylinders of the Ouhui LNG passenger car are in separate sealed compartments. The engine compartment is equipped with a leak alarm device and an automatic fire extinguishing device. The dashboard displays monitoring data in a timely manner, and the "passive safety" coefficient is greatly increased.
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