Grangemouth: Green future for oil refinery needs £3.5bn, report finds Politics Delivering a green future for the Grangemouth oil refinery will require around £3.5bn in private investment, a report has found. The long-awaited Project Willow study, which itself cost £1.5m, sets out nine options for the future of the industrial cluster in central Scotland. Hundreds of jobs are set to be lost this year when the [...]