Renewable Energy and Energy Efficiency Stimulus Act of 2006 - Amends the Internal Revenue Code to extend the time limits applicable to tax credits for: (1) electricity produced from certain renewable resources; (2) clean renewable energy bonds; (3) new energy efficient homes; (4) residential energy efficient property; (5) business solar investment; and (6) biodiesel and alternative fuels.
Extends the time limit for the deduction for energy efficient commercial buildings.
Declares inapplicable to certain qualified electric vehicles and alternative motor vehicles the depreciation limitation pertaining to luxury automobiles.
Instructs the Secretary of Energy to establish a program to provide assistance to states for consultations with respect to weatherization and energy efficiency of residences and small businesses.