How To Buy Gas

If you own a vehicle, then gasoline should be taking a big chunk of your transportation expenses. Given the escalating price of gasoline, it will definitely help to know the different variants and grades of gasoline which is available in the market, and which is the best for your vehicle's engine and your pocket, of course! Some helpful information is provided in the steps which follow.

Step 1

Types of gasoline. As mentioned above, there are several types of gasoline available in the market today. Some of these may or may not be available in your local area, so it is best that you check with local suppliers on the availability and match of the right type of gasoline for your vehicle.

Step 2

Finished motor gasoline. This type of gas is formed by the mixture of several volatile hydrocarbons, with or without additives, and can be used in vehicles with spark-ignition engines. Within this category, there are three further sub-types of gasoline which are classified - these are conventional gasoline, oxygenated gasoline and reformulated gasoline. Each if these is discussed in separate steps below.

Step 3

Conventional gasoline. This is the most popular and widely available type of gasoline in the United States. This type of gas is sold only in areas where the air quality is acceptable or satisfactory. Conventional gasoline is formulated to vaporize more slowly during the hot, summer season, helping to reduce the presence of smog in the environment.

Step 4

Reformulated gasoline. There are three kinds of standard reformulated gasoline, used in different areas. Standard reformulated gasoline is used in areas where the toxin content in the air is quite high. Oxygenated reformulated gasoline is a special type of gas used only in New York City during the winter season. This curbs the effect of high carbon monoxide pollution. California Phase 2 reformulated gasoline is mandated for use in the state of California since 1996. This type of reformulated gas has a different constitution than regular reformulated gas and is considered much cleaner than the latter.

Step 5

Winter-oxygenated gasoline. This type of fuel reduces the emission of carbon monoxide from the engine exhaust. Chemical which are rich in oxygen, such as ether, tertiary butyl and methyl are added to gasoline to make this fuel. Gasohol is another type of oxygenated gasoline. This is a mix of ethanol and gasoline in a 10:90 proportion. Gasohol is also referred to by various other names such as Unleaded Plus, E-10 or Super Unleaded Plus Ethanol.

Step 6

Gasoline grades. All types of gasoline are classified into a grading system - Regular, Midgrade and Premium. The classification is done on the basis of and octane rating or anti-knock index. Regular gas will have an octane rating of 85-88; midrange gas has a rating between 88 and 90 and premium gasoline carries an octane rating greater than 90.

Once you have clearly understood the various types and grades of gasoline available in the market, it will be easier for you to choose the right fuel for your vehicle. Always remember to get the best grade of fuel as it will prolong your engine's life, provide better mileage and performance and also help in cutting down carbon monoxide emissions and thus keeping the environment clean.


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