Certas Energy are the largest independent distributor of liquid fuels in the UK, and the biggest supplier of HVO. HVO is a renewable diesel made from 100% renewable materials, and enables organisations to reduce their CO2 Emissions by up to 90% instantly when switching from traditional diesel. Certas already supply many production companies as HVO is perfect for running generators on location, but can be used in any vehicle or engine that runs on diesel without any modifications needed.