Exclusive: Exxon steps up assets sales with sweeping $25 bln plan -sources

LONDON (Reuters) - Exxon Mobil is accelerating its biggest asset sales in decades with plans to divest up to $25 billion (£19 billion) of oil and gas fields in Europe, Asia and Africa as it sharpens its focus on a handful of mega projects at home and abroad, banking sources said.The vast programme, which will see Exxon effectively quit its upstream oil and gas business in Europe, comes amid growing pressure from investors to free up cash for new developments in Guyana, Mozambique, Papua New..