TRC (Texas Refinery Corp) oil Questions

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323
Location
Minnesota-South Dakota
My brother-in-law has been speaking of how wonderful this TRC oil is. I have seen it...appears green. They farm and use it in everything. Before, it was a Conclin synth oil (?) they used. But he said I could have 10 gallons of the TRC for free. Anyone know about it? Should it be worth a try? Thank you!
 
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