Re: Automakers Lengthen Oil Change Intervals


What difference does it make where the molecules are extracted from to synthesize a lubricant? The advantage of synthetic is that it is a consistent engineered product with known, controlled structure and performance. I don't care if the building blocks come from oil, natural gas, wheat straw or horse dung. If the oil is "synthesized", or built up from the chemical elements, wherever they are derived from, the oil is synthetic.
From the Merriam Webster On-Line dictionary: 1 a : the composition or combination of parts or elements so as to form a whole b : the production of a substance by the union of chemical elements, groups, or simpler compounds or by the degradation of a complex compound c : the combining of often diverse conceptions into a coherent whole; also : the complex so formed

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