Evaluation of Electric Vehicles as an Alternative for Work Trip and ...
Evaluation of Electric Vehicles as an Alternative for Work Trip and ...
Evaluation of Electric Vehicles as an Alternative for Work Trip and ...
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Dist<strong>an</strong>ce (miles)<br />
50<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
Nov. (38) Dec. (44) J<strong>an</strong>. (41) Feb. (24) March<br />
(49)<br />
13<br />
Longest<br />
Average<br />
Shortest<br />
FIGURE 2 Monthly distribution <strong>of</strong> 196 single-charge drives in CSLAB car<br />
during winter <strong>of</strong> 1995/1996<br />
The number <strong>of</strong> drives in each month is shown in parentheses (Figure<br />
2). In all, the car w<strong>as</strong> driven 2,828 miles in cold weather. The<br />
electric heater w<strong>as</strong> used on 125 <strong>of</strong> the 196 drives. <strong>Electric</strong> windshield<br />
wipers were used on 28 drives <strong>an</strong>d electric lights were run on 31 drives.<br />
Energy w<strong>as</strong> me<strong>as</strong>ured with a separate AC kWh meter at the point where<br />
electricity entered the car. The energy consumed during this winter<br />
period w<strong>as</strong> 1,582 AC kWh, which is the total “wall-plug” energy used <strong>for</strong><br />
motive power plus all automobile accessories. B<strong>as</strong>ed on a $0.106/kWh<br />
utility rate in Connecticut, the retail cost <strong>for</strong> electricity w<strong>as</strong><br />
approximately $0.06/mile driven. At the lower national average cost <strong>of</strong><br />
electricity <strong>of</strong> $0.086/kWh, the cost <strong>of</strong> electricity per mile calculated<br />
to $0.05/mile.
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