Transforming ENERGY
EV Purchase Incentives: Effectiveness in the United States
State Level Correlation of Plug-In EV (PEV) Market
Variables on Per Capita PEV Purchases
PEVS
Plug-In Hybrid EVs
Battery EVs
Explanatory Variables
Increase/Decrease by
Increases
purchases by
Increases purchases by
Increases purchases by
Charging stations per hundred
1
3.1%
2.6%
7.2%
thousand population
Tax credit (in dollars)
Rebate (in dollars)
Sales tax waiver (in dollars)
$1,000
2.3%
Not significant
5.3%
$1,000
4.8%
Not significant
7.7%
Not significant overall; 1.6% for
$1,000
3.6%
5.9%
Volt
High-occupancy vehicle lane
if Yes
8.3%
8.1%
14.5%
access (Yes or No)
Home EVSE credit
If Yes
Not significant
Not significant overall; 26.0% for
Volt
Not significant
Home charging discount
If Yes
Not significant
Not significant
Not significant
Gasoline price
Source: Narassimhan and Johnson (2018)
1%
0.6%
0.5%
0.8%
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Transforming ENERGY
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