Chevron Corp. said…it expects to defeat Ecuador in litigation over who should pay for any eventual environmental cleanup in the Amazon region. "Chevron ultimately expects to defeat the unfounded claims at issue in this litigation, whether in the courts of Ecuador or in some other tribunal that will hold Ecuador to account for its flagrant failure to live up to its legal commitments and its disregard for the rule of law," said Kent Robertson, a Chevron spokesman…Lawyers for a group of Ecuadorians suing the second largest U.S. oil company by market value are waiting for an official report scheduled for release next week that could include estimated costs to repair the environmental damage. [also refers to Texaco (now part of Chevron), Petroecuador]