Image source, Alamy

Matt McGrath and Mark Poynting BBC Climate & Science Published 9 April 2025, 00:03 BST

The UK government is investigating a fast-growing “green fuel” called HVO diesel amid claims of significant fraud, the BBC has learned.

HVO is increasingly popular as a transport fuel and for powering music festivals and its backers say it can curb carbon emissions by up to 90% as it can be made from waste materials like used cooking oil.