H.R.6441: To amend the Internal Revenue Code of 1986 to provide tax incentives for replacing an automobile with a more fuel-efficient automobile.

Energy Efficient and Environmentally Friendly Automobile Tax Credit Act of 2008 - Amends the Internal Revenue Code to allow individual and business taxpayers: (1) a tax credit for up to $2,000 of the cost of replacing a passenger automobile with another passenger automobile that is at least 20% more fuel efficient; and (2) tax deductions for state and local taxes and loan interest for the replacement automobile.