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.

Amends the Internal Revenue Code to modify the credit for production of electricity from renewable resources to include production of energy from agricultural and animal waste, including by-products and associated materials. Limits such credit to facilities placed in service after 2001 and before 2007.
A bill to amend the Internal Revenue Code of 1986 to modify the credit for the production of electricity from renewable resources to include production of energy from agricultural and animal waste.

Affordable Mortgage for Homeowners Act of 2011 - Directs the Federal National Mortgage Association (Fannie Mae) and the Federal Home Loan Mortgage Corporation (Freddie Mac) each to carry out a program to provide for the reduction of the interest rates on qualified mortgage mortgages (other than fixed-rate or adjustable-rate mortgages) on single-family housing owned or guaranteed by such enterprises, in accordance with policies and procedures that the Director of the Federal Housing Finance Agency (FHFA) shall establish.

Requires each program to provide a procedure for mortgagors to opt-out of an interest rate reduction.
To reduce the interest rates on mortgages owned or guaranteed by Fannie Mae and Freddie Mac.

International Arbitration Enforcement Act of 1996 - Makes liable for money damages any foreign state that has injured a U.S. person through its violation of the Convention on the Recognition and Enforcement of Foreign Arbitral Awards with respect to a foreign arbitral award. 
Amends Federal law to grant district courts exclusive jurisdiction over violations of the Convention.  Waives a foreign state's sovereign immunity in any action brought against it for violations of the Convention, including the enforcement of such actions.

International Arbitration Enforcement Act of 1996