Established in 2001 and acquired by John Swire & Sons (Green Investments) Ltd in 2013, Argent Energy is the leading European producer of biodiesel from wastes..

Our History


~ Production starts at Motherwell site

~ Investment of £17 million. Capability of 45k tonnes per annum


~ First biodiesel producer in Europe to utilise high risk category 1 tallow


~ Commercial relationship begins with Stagecoach

~ First bus fleet in Scotland converted to run on biodiesel.

~ Additional new customers switch to high bio-blend diesel.


~ Pre treatment plant commissioned

~ £1.8 million investment.

~ Award won for "Most Sustainable Biodiesel Producer”.


~ Argent Energy awarded World Biodiesel Corporation of the Year World Refining Association

~ Trials using Argent Biodiesel start with Transport for London.


~ Fuel supply rolled out across Scotland

~ Awarded Manufacturing and Processing UK winner, Ernst and Young Entrepreneur Of The Year Awards.


~ Fuel supply rolled out across England

~ Awarded the Green Business of the year 2012 Scottish Business Awards and most innovative green product Insider Magazine.

~ Installation of pioneering technology to improve sustainability to provide a sustainable and environmentally successful use for problematic, low cost waste streams and complete a new value chain from food waste to bio diesel.

~ Successful tailpipe and emissions testing in conjunction with TFL where CO2 emissions were reduced by 14% using B30 biodiesel (Millbrook trial).


~ Acquisition by John Swire and Sons Ltd


~ Won national fuel supply contracts for high bio blend diesel


~ Fuel supply rolled out across London (3000 + vehicles)


~ Acquisition of Argent Oil Terminal

~ Win the ‘Low Carbon Fuel Initiative of the Year’ Award and the ‘Winner of Winners’ Award at the LowCVP Low Carbon Champions Awards.

~ First fuel supply to customers in Wales.

~ Commissioning of bio-diesel plant at Stanlow.


~ Research & Development Projects ongoing

~ Win two categories at the National Recycling Awards in London