By calculation and analysis being relative to fuel economy in automobile engineering theory, some shortages of measurement methods of fuel consumption for light-dutyvehicles in use are indicated.
针对我国现行轻型汽车燃料消耗量试验方法，运用汽车工程理论进行了有关计算分析，指出该方法存在的不足。
2
In this paper, we take Xian as example for explaining that emission pollutant of lightduty gasoline vehicles affect environment of Xian city.
本文以西安市为例，阐述了轻型汽油车辆排放污染对城市环境的影响。
3
The emissions test of 70 light-duty gasoline car indicated that real-world vehicles emission factors is higher than the laboratory test results.