"We must invest in our nation’s infrastructure, and we must reverse climate change. By investing in public transit, we can do both at the same time," said U.S. House Democratic Speaker Nancy Pelosi at the American Public Transportation Association (APTA) rail conference in San Francisco, pointing out that rebuilding America is a combined national security, economic, environmental and equality issue, and that "(t)he fuel savings from using transit are magnified when we add in the ‘smart growth’ that springs up around transit, especially rail transit stations."