Detroit's automakers have appealed to congressional leaders for $25 billion more in federal loans, low-interest emergency borrowing, and a share of the Wall Street bailout to help rescue an ailing industry. The executives—Chrysler's Bob Nardelli, Ford's Alan Mulally and GM's Rick Wagoner—and union president Ron Gettelfinger sought an additional $25 billion in federal loans for future health care payments for retirees.