<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Base Oil on Motor Oil Guide</title><link>https://motoroilguide.com/tags/base-oil/</link><description>Recent content in Base Oil on Motor Oil Guide</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Wed, 11 Nov 2026 11:00:00 +0100</lastBuildDate><atom:link href="https://motoroilguide.com/tags/base-oil/index.xml" rel="self" type="application/rss+xml"/><item><title>Motor Oil Brands: Who Owns Whom and What You Pay For</title><link>https://motoroilguide.com/motor-oil-brands/</link><pubDate>Wed, 11 Nov 2026 11:00:00 +0100</pubDate><guid>https://motoroilguide.com/motor-oil-brands/</guid><description>&lt;p&gt;In 1974, Mobil put a fully synthetic motor oil on American shelves under a name that had never sold a quart of anything: Mobil 1. It cost several times what conventional oil cost, it was sold as a chemical engineering product rather than a brand, and within two decades its name had become a generic shorthand for &amp;ldquo;the expensive oil.&amp;rdquo; Every brand argument on this page starts with that bottle.&lt;/p&gt;</description></item></channel></rss>