You will be given a definition of a task first, then some input of the task.
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.

This bill directs the Department of Energy to establish a pilot program to award matching grants for nonprofit organizations to retrofit their buildings with energy-efficiency improvements. This bill amends the Energy Independence and Security Act of 2007 to decrease the amount of appropriations authorized in FY2015 for the Zero Net Energy Commercial Buildings Initiative.
Output:
A bill to require the Secretary of Energy to establish an energy efficiency retrofit pilot program.