Table 2.

Delivery density of each mode to match the drone’s energy consumption per package, and the minimum drone energy consumption to match the vehicle’s energy consumption per package

Vehicle	Delivery density required to match drone energy consumption (package/km) (multiplier from base case)	Minimum energy consumption required for the drone (MJ/km)
Medium-duty diesel truck	33.8 (16.1×)	1.31
Small diesel van	15.0 (4.3×)	0.35
Medium-duty electric truck	11.7 (5.6×)	0.45
Small electric van	5.1 (1.5×)	0.12
Electric cargo bicycle	0.3 (0.3×)	0.03
Small quadcopter drone (base case)	0.25	0.07