Gasoline also known as petrol outside North America, is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.
On average, a 42-gallon barrel of crude oil (159 L) yields about 19 US gallons (72 L) of gasoline when processed in an oil refinery, though this can and does vary based on the crude oil source's assay.
The characteristic of a particular gasoline blend to resist igniting too early (which causes knocking and reduces efficiency in reciprocating engines) is measured by its octane rating. Gasoline is produced in several grades of octane rating. Tetraethyllead and other lead compounds are no longer used in most areas to regulate and increase octane-rating, but many other additives are put into gasoline to improve its chemical stability, control corrosiveness and provide fuel system 'cleaning,' and determine performance characteristics under intended use. Sometimes, gasoline also contains ethanol as an alternative fuel, for economic or environmental reasons.
Sometimes our cars require repairs. Some faults and failures happen to all of us, but this does not mean immediately that our car is bad. Some of them simply can not be avoided, if one already happens, you should react. Some of them you can fix in just a few hours, but others require special equipment and skills that have only appropriately trained specialists in this field. The best places to give our car that was repaired as it should? A suitable place will be proven mechanical workshop and find them now very much. Just ask your friends or search ads, and all it will take us a little time.
The best solution when it comes to servicing cars of choice is a trustworthy mechanic. It is not always possible, however, and often urgent need to repair our car brings us to the first workshop better. Therefore, the maintenance of cars is often very complicated process, and a relatively small portion of the users of cars are aware of this, as should proceed car repair easily become a victim of fraud. We can never be sure yet how much of the car has been mentioned, if you do not have enough knowledge on this topic. Therefore it is worth before going to the workshop to do some research on this type of service, for example, among family and friends.
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