Production projects due on stream this year in members of the Organization of Petroleum Exporting Countries represent peak gross capacity additions of 3.1 million b/d of crude oil and other liquids, says the International Energy Agency (see table).Last year, OPEC members started up projects with peak total-liquids capacities of 1.25 million b/d.In its February Oil Market Report, IEA says OPEC members’ ability to produce crude oil alone, net of declines in existing fields, could increase by 840,000 b/d during 2008.NGLs and condensate represent 42% of the peak-capacity estimates for 2008 projects, compared with 20% last year, IEA says.The agency points out that the time between start-...