Dr David Fulford offers more information at Kingdom Bioenergy Ltd , his consulting company. He is also a founding trustee of Foundation SKG Sangha , a UK registered charittable company, set up to allow an Indian NGO SKG Sangha to work internationally.
He has been an international assessor for Ashden. He has written two books on biogas: Running a biogas programme: A handbook (1988) and Small-scale biogas programmes: a handbook (Jan, 2015) both published by Practical Action Publishers.