![]() ![]() Vehicle manufacturers recommend the grade of gasoline for use in each model of their vehicles. contains lead.) The lowest octane rating gasoline is usually the least expensive. (No grade of motor gasoline now sold in the U.S. Some companies have different names for these grades of gasoline, such as regular, unleaded, mid-grade, medium, super, premium, or super premium, but they all indicate the octane rating, which is the antiknock property of gasoline. Three main grades of gasoline are sold at retail gasoline refueling stations: Ethanol is added to gasoline mainly to meet the requirements of the Renewable Fuel Standard, which is intended to reduce greenhouse gas emissions and the amount of oil that the United States imports from other countries. Most of the finished motor gasoline now sold in the United States contains about 10% fuel ethanol by volume. These engine oil grades have a meaning, for instance, a 5W-30 engine oil grade means that the oil has a viscosity of 5 at the cold-start and will achieve. Blending terminals are more numerous and widely dispersed than petroleum refineries, and they have equipment for filling tanker trucks that transport finished motor gasoline to retail outlets. ![]() Some companies also have detergents and other additives blended with their gasoline before delivery to their retail outlets. ![]() Most finished motor gasoline is produced at blending terminals, where gasoline blendstocks, finished gasoline, and fuel ethanol are blended to produce finished motor gasoline in different grades and formulations. Petroleum refineries mostly produce gasoline blending components called gasoline blendstocks, which require blending with other liquids to make finished motor gasoline. Oils first received this W designation from SAE in the 1950s. Petroleum refineries and blending facilities produce finished motor gasoline for retail sale at gasoline fueling stations. SAE’s J300 standard, first published in 1911 and revised numerous times since, classifies oil into 11 viscosity grades0W, 5W, 10W, 15W, 20W, 25W, 20, 30, 40, 50, and 60. Both numbers define the viscosity of the engine oil: The first number, before the W, relates to how oil flows when it is cold, such as when the engine first starts up. Gasoline is mainly used in vehicle engines. The eight summer classes are indicated by the number after the letter W: W-8, W-12, W-16, W-20, W-30, W-40, W-50, and W-60. Gasoline is a fuel made from crude oil and other petroleum liquids. A3/B3 Motor Oil intended for use in Passenger Car & Light Duty Van Gasoline & Diesel Engines with extended drain intervals where specified by the Engine. ![]()
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