what does it mean when your oil smells like gas The importance of gasoline was not recognized in the 19th century, when it was used in a great deal of kerosene. The oil refining then relied on simple distillation processes to separate the different components of the oil from the boiling point. The boiling point of the kerosene component is higher, and the use of safety when lighting lamps becomes the main product of crude oil refining, while gasoline and other components are often burned as fuel. By the mid - to late 19th century, the successful use of gasoline engines in 1886, in 1886, the gasoline engine was successfully used as a driving force, thus the importance of gasoline increased. But using distillation, only 20% of the gasoline can be extracted from crude oil. In 1911, the standard oil company have solved the problem of low gasoline yield, by William burton and Robert hamm forest thermal cracking process of the invention, the heavy quality heating gas oil cracking of light gasoline fractions, such as to overall improve the gasoline yield, thermal cracking process in 1913 won the patent license in the United States. The subsequent catalytic cracking process has further improved the gasoline yield and octane value. Data released by the American petroleum institute (API) showed that U.S. crude oil inventories fell 5.2 million barrels in the week ended Dec. 15, down from an expected 35.18 million barrels. Refinery inventories fell more than expected, while gasoline inventories rose, but were less than expected. The overall API data is good and good for oil prices. It is easy to draw the conclusion that on the condition that businesses make a profit by exploiting on human resources, falsifying on products and neglecting the after-sales service, they will not success in a long run. Only the businesses thinking in the overall respects can survive and thrive all the time. Mr Trump also abandoned his trade base, where he made rhetoric rather than concrete action. Yes, he abandoned the trans-pacific partnership (TPP), but Hillary Clinton would do the same. He had thought about dropping the north American free trade law (Nafta), but that could be just a negotiating tactic. He threatened to impose a 50 per cent tariff on goods from China, Mexico and other us trading partners, but failed to do so. The proposal for border adjustment taxes was almost forgotten. In his theory, money supply is controlled by the central bank and is an exogenous variable with no interest rate elasticity. At this point, monetary demand depends on people's psychological "liquidity preference". He said he believes "this is really a long-term trend in pushing for continued use of memory and storage." Gasoline English called Gasoline (beauty)/Petrol (UK), appearance is transparent liquid, inflammable, distillation range of 30 ℃ to 220 ℃, main components in C5 ~ C12 fatty hydrocarbon and naphthene classes, and aromatic hydrocarbon, certain amount of Gasoline with high octane number (antiknock combustion performance), and by the discretion of octane number can be divided into no. 90, no. 93, no. 95, no. 97. Straight-run gasoline components which are obtained by oil refining gasoline, catalytic cracking gasoline, catalytic reforming gasoline components such as different after refined gasoline with high octane number components made by the harmonic, mainly used in automobile ignition internal combustion engine fuel.