Remove Incentives for Producing Ethanol Act of 2008 or the RIPE Act of 2008 - Amends the Clean Air Act to repeal the renewable fuel standard.
Amends the Internal Revenue Code to terminate the excise tax credit for alcohol fuel mixtures and the income tax credit for alcohol used as fuel.
Amends the Harmonized Tariff Schedule of the United States to provide for the duty free treatment for ethyl alcohol or a mixture containing ethyl alcohol if it is to be used as fuel. Applies such treatment to goods entered, or withdrawn from warehouses for consumption, on or after the 15th day after this Act's enactment.