Study on Gasoline Vehicle Emission Inventory Considering Regional Differences in China

Table 14

Uncertainly analysis of the emission inventory of gasoline vehicles.

Pollutants	Vehicle type	Estimated value/t	Simulated average/t	95% confidence interval/t	Relative error
CO	Minivan	4138.54	7838.56	6214.76,9462.36]	±20.72%
	Middle-sized Coach	112.80	185.30	130.63,239.98]	±29.50%
	Light Duty Truck	2422.53	3198.93	2128.35,4269.51]	±33.47%
	Other Gasoline Vehicles	160.67	260.80	178.43,343.17]	±31.58%
	Total	6834.55	11483.59	8652.17,14315.02]	24.66
HC	Minivan	497.61	911.55	581.55,1241.56]	±36.20%
	Middle-sized Coach	8.55	18.26	13.69,22.83]	±25.03%
	Light Duty Truck	221.98	423.32	355.85,490.80]	±15.94%
	Other Gasoline Vehicles	17.42	27.45	19.87,35.02]	±27.61%
	Total	745.57	1380.58	970.96,1790.21]	29.67
NOx	Minivan	261.71	546.78	431.45,662.11]	±21.09%
	Middle-sized Coach	10.55	20.77	16.10,25.44]	±22.48%
	Light Duty Truck	207.21	293.43	190.33,396.52]	±35.14%
	Other Gasoline Vehicles	30.89	67.25	50.39,84.12]	±25.07%
	Total	510.36	928.23	688.27,1168.19]	25.85
PM2.5/PM10	Minivan	41.45	80.76	51.81,109.71]	±35.85%
	Middle-sized Coach	0.62	0.97	0.77,1.16]	±20.62%
	Light Duty Truck	10.58	16.19	11.71,20.68]	±27.67%
	Other Gasoline Vehicles	1.08	1.73	1.35,2.11]	±21.97%
	Total	53.73	99.65	65.64,133.66]	34.13