The mythology I was talking about in B5 comes from, amongst other places, Babylonian mythology, appropriately enough.

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Diesel engines can run on any mixture of petroleum or biodiesel from B5 to B100(100% biodiesel), with no modifications.

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Certain dietary supplements such as vitamin D and fish oil have proven benefits, but others like bitter orange and vitamin B5 lack evidence.

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However, most regular diesel engines can run on a diesel blend that uses 2 percent or 5 percent biodiesel, called B2 and B5, respectively.

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The U.S. Department of energy says blends up to B20 are common, but it advises against using anything higher than B5 in a standard diesel engine.

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ULSD(ultra low sulphur diesel) now required by EPA is B5.

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Zone 3 on Delta, B5 on Southwest.

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