Green Business News: BP starts to reinstall cap on Gulf of Mexico oil leak BP starts to reinstall cap on Gulf of Mexico oil leak ================================================================================ feeds.reuters.com on 23 June, 2010 02:29:21 HOUSTON/WASHINGTON (Reuters) - BP Plc said on Wednesday it was starting to reinstall an oil-siphoning cap on its blown-out well in the Gulf of Mexico after an earlier disruption unleashed a torrent of crude.