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Cooking oil to run diesel-powered cars
"You get two types of customer; people who are concerned about their carbon footprint and people concerned about their pocket," he added. MacDonald learned to convert cooking fat into bio-fuel in his kitchen while he was working as a computer programmer.
"My kitchen was my laboratory but my partner wasn't too happy about the smell, so I got kicked out to an industrial unit," he said. He saw the business potential, and since being made redundant 18 months ago he has never looked back.
But the first time that he put the bio-diesel in his van, he was terrified about what would happen. "My heart was in my mouth. I was expecting it to explode or to just stop, but it just went on and on and on," he said. MacDonald has now driven 30,000 miles in the van, all powered by bio diesel.
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