Oil prices have rallied slightly after falling to their lowest level in 18 months on Tuesday amid concerns that Opec will not cut output further.
US light, sweet crude was trading up 23 cents at $51.44 a barrel on Wednesday, having closed at $51.21 on Tuesday - its lowest mark since May 2005.
http://news.bbc.co.uk/1/hi/business/6269659.stm