Federal Tax Credit for Conversions
There is a plug-in conversion federal income tax credit of 10% of the cost of converting any motor vehicle (new or used) to a qualified plug-in electric drive motor vehicle. The maximum credit is $4,000 per vehicle. This credit is claimed on Form 8910, Alternative Motor Vehicle Credit, and applies to property placed in service after February 17, 2009.
Talk to your tax accountant to learn how this would apply to you.