Yes. A "conservative" estimate of $10/bbl by Mr.
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That "perpetual motion" straw man which Mr. Bordynuik built, trying to paint a picture that the skeptics were made up of people who thought he was talking about perpetual motion, was just that...another way to fool investors.
That reminds me of Craig Huffman, a florida lawyer who ran the Internal Hydro penny stock with an utterly worthless machine he was selling to investors as a way to recover energy from "waste" fluid pressures. Mr. Huffman made claims about his machine which weren't true and then had it 'validated' by a professor named Dr. Dyer from a university. I called Dr. Dyer and he said he was asked to make sure that the machine didn't violate the laws of thermodynamics...and he 'validated' that it didn't. The machine was 'validated' but that validation was painted differently to investors.