Department Biofuels Employment Type Permanent Location Seal Sands Workplace type Onsite Key Responsibilities Skills, Knowledge and Expertise Benefits About Greenergy For almost 30 years, Greenergy has been investing in lower carbon renewable fuels that can be used in existing vehicles. As Europe’s largest manufacturer of waste-based biodiesel, renewables are core to Greenergy’s strategy to drive transport decarbonisation through continued leadership in renewables.