Reuters: Global automakers are urging European authorities to reconsider proposed limits on carbon dioxide (CO2) emissions from cars, arguing the current financial crisis is going to make it even harder to meet them. “You can’t pile on regulation on an industry during its worst time in the last 10 years,” Fiat Chief Executive Sergio Marchionne told reporters while visiting the Paris Auto Show on Friday. “It’s nonsense.” The financial crisis is expected to worsen an already bad situation …