What is petroleum leading country in Europe?

Norway is the petroleum leading country in Europe. The country has been a major producer of oil and gas since the 1970s, and is currently the largest oil producer in Western Europe. Norway's petroleum industry is a key part of the country's economy, and accounts for a significant portion of its government revenue.

The Norwegian petroleum industry is heavily regulated, and the government has a strong voice in the industry's development. The Norwegian government has also established a number of environmental regulations to ensure that the petroleum industry operates in a sustainable manner.

Norway's petroleum industry is a major employer, and provides jobs for thousands of people in the country. The industry also supports a number of other industries, such as the shipping and engineering industries.

The Norwegian petroleum industry is facing a number of challenges, including declining oil and gas prices, and increasing competition from other countries. However, the industry is still expected to remain a major part of the Norwegian economy for many years to come.