To increase the supply and lower the cost of petroleum by temporarily suspending the acquisition of petroleum for the Strategic Petroleum Reserve.

Strategic Petroleum Reserve Fill Suspension and Consumer Protection Act of 2008 - Directs the Secretary of Energy to suspend, during calendar year 2008, petroleum acquisition for the Strategic Petroleum Reserve (SPR) through the royalty-in-kind program or any other acquisition method. Authorizes resumption of such acquisition during calendar 2008 not earlier than 30 days after the Secretary notifies Congress that the weighted average price of petroleum in the United States for the most recent 90-day period is $50 or less per barrel.