Economics and Policy Oil prices tumbled on Wednesday, with Brent crude falling below $98 per barrel, as rising US fuel supplies added to overall concern about global oil demand. More from Reuters Negotiations between Egypt and the International Monetary Fund have not failed, the president’s office said Wednesday after an IMF delegation left Cairo without agreement on a $4.8 billion loan. More from Reuters By 2030, Abu Dhabi aims to have all taps replaced with water-saving fixtures in a bid to cut current consumption by 52 per cent. More from The National Lebanon's public wage and related benefits expenditures increased year on year by LL708 billion ($470 million) in 2012, according to statistics released by the Finance Ministry. More from The Daily Star Companies and Business Abu Dhabi telecom group Etisalat is set to sign an $8 billion loan facility next week with as many as