In the first half of the 19th century, intensive attempts were made to obtain more efficient and cheaper fuel than the various types of oil and their mixtures used to date.
To this end, research was conducted on crude oil, from which kerosene was obtained by distillation. ...
However, they are still widely used in areas without electric lighting. The cost and danger of kerosene lighting are an ongoing problems in many countries.
It is the largest hydropower station in the world.
It generates 100 billion kWh of electricity a year. In 2020, the dam generated 11,8 TWh, setting a world record previously held by the Itaipu Dam in South America.
