A father-and-son team from March has invented a machine to convert waste oil to biodiesel at 21p a litre and save motorists hundreds of pounds a year.
They are selling the machines through their company Fenland Bio-Diesel Processors and can make five a week at their premises at Outwell.
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(The success of the biodiesel fuel industry relies heavily on biodiesel testing, not only at the production level but at the consumer level, where degraded fuel may cause engine failures. Fleet Biodiesel's family of inexpensive biodiesel test kits is just a click away on the internet)