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with no direct gasoline comparison.  In addition, electric vehicle technology is vastly more advanced than current gasoline technology, particularly in the light truck class.  Furthermore, the Federal test procedure for certifying electric vehicles tends to provide biases in regards to battery technology.  While the average EER for the vehicles shown in Table 5-4 is 2.85, the authors believe that 2010 gasoline technology when compared to 2010 electric vehicle technology in equivalent vehicles will yield EERs between 2.4 and 2.9.

Table 5-4:  Electric Vehicle Energy Economy Ratios

Electric Vehicle

Gasoline Vehicle

Model

FE kWh/mi

FE (mpeg)

Model

FE (mpg)

EER

`00 Ford Ranger – PbA

0.405

82.7

`00 Ford Ranger

25.5

3.24

`00 Ford Ranger – NiMH

0.421

79.5

`00 Ford Ranger

25.5

3.12

`99 Chrysler EPIC – NiMH

0.696

48.1

`99 Dodge Minivan

25.9

1.86

`98 Chevy S10 – PbA

0.431

77.7

`98 Chevy S10

25.3

3.07

`98 Chevy S10 – NiMH

0.546

61.3

`98 Chevy S10

25.3

2.43

`99 Honda EV Plus – NiMH

0.499

67.1

`99 Honda Civic/Accord

32.7

2.05

`99 GM EV-1 – NiMH

0.321

104.4

`99 Acura Integra

31.9

3.27

`99 GM EV-1 - PbA

0.280

119.6

`99 Acura Integra

31.9

3.75

Figure 5-3.  ???

5.4  Fuel Economy Cases

86

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