crude futures were hitting some oil exporters particularly hard , especially Russia , Iran , Venezuela and Nigeria , leaving their economies below-parSlow.weak.
In its World Energy Outlook 2018 , the Paris-based Credit Suisse said it had slashedCause.movement.down.lossits longer-term oil price forecast from Wednesday , partly because of the droppingMovement.down.losscost of both renewable and conventional sources of energy , the worldwide push to tackle climate change and improve air quality and the spurtGrow.strongspurtGrow.strongin U.S. shale oil and gas output .
In its World Energy Outlook 2018 , the Paris-based IEA said it had reducedCause.movement.down.lossits longer-term oil price forecast from Wednesday , partly because of the droppingMovement.down.losscost of both renewable and conventional sources of energy , the worldwide push to tackle climate change and improve air quality and the riseGrow.strongriseGrow.strongin U.S. shale oil and gas production .