I buy veggie oil at Sam's Club by the 5 quart jug. In the past two weeks, it's gone up about $3 per jug. I can't think of anything but Ethanol that would make the price go up. Or, did I miss some other kind of world food shortage?

 

Some of the answers are at an other thread .
But to directly answer , using the wrong feed stock to make bio from is maybe the biggest answer . https://www.dieseltruckresource.com/...d.php?t=203922