Investigation on Range Anxiety and Safety Buffer of Battery Electric Vehicle Drivers

Table 3

Statistics of safety buffer.

Statement	10 km	12.5 km	15 km	17.5 km	20 km	Mean	SD
Minimum comfort range remaining in a 10 km trip	24 (11.5%)	24 (11.5%)	53 (25.5%)	23 (11.1%)	84 (40.4%)	3.57	1.406
Statement	30 km	37.5 km	45 km	52.5 km	60 km	Mean	SD
Minimum comfort range remaining in a 30 km trip	30 (14.4%)	43 (20.7%)	69 (33.2%)	31 (14.9%)	35 (16.8%)	2.99	1.267
Statement	60 km	67.5 km	75 km	82.5 km	90 km	Mean	SD
Minimum comfort range remaining in a 60 km trip	32 (15.4%)	28 (13.5%)	68 (32.7%)	35 (16.8%)	45 (21.6%)	3.16	1.326
General safety buffer						3.24	1.151