maximizing profit The U.S. energy information administration (EIA) data also showed that in 2016, people and cargo transportation energy consumption accounted for about 29 percent of total U.S. energy consumption. Of these, about 92 percent of the total energy consumed by the U.S. transportation department is petroleum products. The company's chief executive and chairman Venkat Meenavalli media interview said: "the ultra high current market valuation is not reasonable and not real, we put the ipo pricing valuation for $5 is a very good description." But he emphasised: "we are a profitable company that has nothing to do with the current digital currency frenzy. Longfin has grown at a rapid rate of 200 per cent over the past six months and earned a profit of $28m. At the time of. The shape of the car was similar to that of the "sedan" in ancient China, and was as glorious as the car. The car was then called a car. First car, its body modelling is basically used for the carriage, in the form of so called "horseless carriage" English name Sedan is refers to the European noble a luxury passenger carriage, decoration not only pay attention to, and it is enclosed, wind, rain and dust, and to improve the degree of safety. When it was introduced to the United States in the 18th century, it was only possible for rich people in a few big cities such as New York and Philadelphia to enjoy it. When ford introduced the model T model in 1908, the body was changed from open to closed, and its comfort and safety improved greatly. Ford referred to his "Closedcar" as Sedan. The famous ford model T is the best car in the world. But let's remember that the increased participants were basically in the interest of the economy and were attracted to new tokens that they felt were promising. Network planning technology is a scientific method of planning and management, which is developed with the development of modern science and technology and industrial production. In the 1950s, in order to meet the needs of scientific research and the management of new production organizations, some new methods of planning management were introduced abroad. In 1956, dupont studied the key line method of network planning technology (CPM) and tried it on a chemical engineering project, and achieved good economic results. In 1958 the United States naval weapons when "Polaris" missile plans, applied the plan evaluation method (abbreviated as PERT) project plan arrangement, evaluation, audit and control, was a huge success. In the early 1960 s, the network planning technique, has been in the United States all new construction fully adopt this kind of new method for program management, could be introduced into Japan and Western Europe and other countries. With the rapid development of modern science and technology and the continuous improvement of management level, network planning technology is also developing and improving. At present, it has been widely applied in the fields of industry, defense, construction, transportation and scientific research of the world, and has become a scientific method of modern production management in developed countries.