The first variety is gasoline generators. These are installations that operate using a gasoline engine — the most popular power plants used as a source of energy supply at the moment. Their main features are compactness, slight weight, ease of service and use, the range is extensive, prices are acceptable. However, their power is low. They are used most often on vacation or in some kind of personal economy. Speaking differently, gas station is the most popular type of generators in the private sector. In the field of business, they are not so widespread, there diesel engines occupy a large share of the market.