Its quite a business I know in the UK and EU.collecting the stuff from restaraunts.
I know a guy who has built his own cat-cracker. His son runs the business. 5 years ago he went around in a tanker taking everyones waste oil. Now they pay him to take it away. He then puts it through the cracker column and extracts by product.
I went into the process and business aspect because it seemed something which was needed more and more. He just said 'dont even try the regulators will just kill it and you ! Death by paper - it kills too many initiatives and sensible ideas.
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