Estimation of Vehicle Carbon Emissions in China Accounting for Vertical Curve Effects

Table 3

Test vehicles information.

Variable	Specification
Vehicle type	Passenger car	SUV	Medium truck	Heavy-duty truck	Tractor
Label	Car I	Car II	Truck I	Truck II	Truck III
Mass (t)	1.65	1.88	15	28	40
Frontal area (m^2)	1.80	2.0	5.64	5.64	6.08
Air resistance coefficient	0.35	0.50	0.50	0.46	0.656
Engine type	Naturally aspirated		Compression-ignition	Xichai compression-ignition
Fuel type	92# gasoline		−10# diesel