In their recent zeal to ticket Chicago cars without their precious precious city stickers, investigators for the city clerk's office have turned up another lucrative source of revenue for the city: a large number of motorists driving with expired plates. Does this mean more fines? You bet! "I can honestly say that there's millions of dollars in those parking garages in expired plate fees," City Clerk James Laski said on a WBBM radio program (hopefully he was not rubbing his hands in glee when he said this).