Gas vehicles mainly include liquefied petroleum gas vehicles (LPG vehicles or LPGV) and compressed natural gas vehicles (CNG cars or CNGV). As the name suggests, LPG cars are fueled by liquefied petroleum gas (LPG) and CNG is powered by compressed natural gas. The CO emission of gas vehicles is more than 90 percent less than the gasoline car, the hydrocarbon emission reduction is more than 70 percent, and the nitrogen and oxygen emission reduction is more than 35 percent, which is the current relatively practical low emission vehicle. In 2017, the blockchain enters the public eye through bifurcation, CryptoKitties and ICO. Driven by investment opportunities and media attention, traditional businesses and consumers have begun to focus on the cryptocurrency and its underlying blockchain technology. Based on the above two kinds of comparison and analysis of the concept of earnings, reveals the inadequacy of accounting earnings, i.e., the accounting income does not take into account inflation, the production gains, goodwill to improve the impact of changes and their value, and can be found on only the pursuit of reliability, and can be measured, which affect the enterprise's profit ability and continuous operation ability. Accounting, since the 1950 s began to pay attention to absorb the income concept of some reasonable kernel of economics, the concept of modern accounting theory of income in the income concept of economics. Historical costs differ from current values There are several activities that mother can introduce to their kids. Kid's activities - kids coloring pages types - are really simple to introduce to childrens mainly because offers quite a bit regarding colors. kids love working with their hands. By using crayons and seeing the colours being transferred into papers, their creativeness starts to increase as his or her imaginations start going everywhere. There is something about being able to pick the shades plus deciding where these colors go, that makes a childrens feel in charge of their particular activity. This is why kids are usually focused when it's in coloring activities. They are as excited about the process of coloring because they are pumped up about the way may be like at the end.