Detailed Instructions: In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.
Q: Open Fuel Standard Act of 2008 or the OFS Act - Amends federal transportation law to require each light-duty automobile manufacturer's annual inventory to comprise at least: (1) 50% fuel choice-enabling automobiles in years 2012-2014; and (2) 80% fuel choice-enabling automobiles in 2015, and in each subsequent year.

Defines "fuel choice-enabling automobile" as: (1) a flexible fuel automobile capable of operating on gasoline, E85, and M85; or (2) an automobile capable of operating on biodiesel fuel.

Authorizes a manufacturer to request an exemption from such requirement from the Secretary of Transportation.

Requires: (1) each manufacturer that receives an exemption to place a label on each exempted automobile; and (2) each exempted light-duty automobile delivered to a dealer and first purchaser to be accompanied with a written notification of such exemption.
A:
To require automobile manufacturers to ensure that not less that 80 percent of the automobiles manufactured or sold in the United States by each such manufacturer to operate on fuel mixtures containing 85 percent ethanol, 85 percent methanol, or biodiesel.