The Renewable Transport Fuel Obligation (RTFO) paving the way for the introduction of biofuels in the UK, started on 15th April 2008. In the first year, the obligation is expected to be met mainly by blending 5% biodiesel with conventional sulphur-free diesel. Click here for further details.
Click here for a Briefing Paper on Biofuels in the UK
Renewable Fuels Agency
The RFA is responsible for ensuring compliance with the Renewable Transport Fuel Obligation. Their web site contains further information, including guidelines on carbon saving and sustainability reporting.