Electric Vehicle Efficiencies

With just more than thirty thousand miles on our electric vehicle (EV), here are some figures and comparisons with a similar gasoline-powered (ICE) vehicle.

Table 1. Operating costs as of 2021-07-09
EV 2016 ICE Old ICE

Miles

30,663 mi

Efficiency

3.5 mi/kWh

~37 mi/gal[1]

24 mi/gal[2]

Consumed

8,761 kWh

829 gal

1278 gal

Cost per unit of energy

~$0.119 per kWh[3]

$3.141 per gallon[4]

Cost per mile

~$0.034

~$0.085

~$0.131

Total fuel costs

$1,106.58

$2,603.89

$4,014.20

Oil changes

0

10

CO2 emissions

3.38 metric tons[5][6]

7.36 metric tons[7][6]

11.35 metric tons[7][6]

Table 2. Operating costs as of 2022-06-13
EV 2016 ICE Old ICE

Miles

30,663 mi

Efficiency

3.5 mi/kWh

~37 mi/gal[1]

24 mi/gal[8]

Consumed

8,761 kWh

829 gal

1278 gal

Cost per unit of energy

~$0.126 per kWh[9]

$5.014 per gallon[10]

Cost per mile

~$0.04

~$0.14

~$0.21

Total fuel costs

$1,042.56

$4,155.25

$6,406.01

Oil changes

0

10

CO2 emissions

3.38 metric tons[11][6]

7.36 metric tons[7][6]

11.35 metric tons[7][6]

Average annual usage

According to the U.S. Department of Transportation’s Federal Highway Administration, the average person drives around 13,500 miles every year. With that in mind, the average person’s annual operating costs would be around $459 instead of $1,147 or, even worse but far more likely, $1,768 (not including maintenance) (based on average fuel mileage[1]).

There would also be a more than 50% reduction in CO2 emissions for each vehicle on the roadway which could be further improved with utilities moving towards better electricity generation methods.


2. Many cars still on the road still get bad gas mileage.
3. Cost of kWh at Baltimore Gas and Electric as of 2021-07-09
5. Based on the Air Emissions report from BGE, 2020-11-01.
6. Not including production or delivery of the energy.
8. Many cars still on the road still get bad gas mileage.
9. Cost of kWh at Baltimore Gas and Electric as of 2022-06-13
11. Based on the Air Emissions report from BGE, 2020-11-01.