For a long time, trump vowed to reform the environment laws and regulations, to help us achieve energy independence. However, Reuters commented that the nation's largest oil and gas companies argue that regulatory reforms on their business.

In the annual report, submitted to the securities and exchange commission, 15 of the nation's largest oil and gas producer in 13, according to comply with the current regulations impact on business or financial status is not big, the other two manufacturers have taken the $comment.

Investors focus on, trump's regulatory policy can improve the output of oil and gas, or improve the oil and gas company's profits and share prices. According to the securities and exchange commission regulations, listed companies think the possibility of the implementation of the great "significant" item must report to the committee.

Although oil insiders over the years has been critical of Mr Obama's environmental protection policy, the policy by subsidising renewable energy and reduce drilling cost, aiming to reduce fossil fuel consumption. But the university of Pennsylvania law professor, said many companies spent on environmental regulation cost is only a small part of the operating costs.

Exxon mobil in 2016 on environmental affairs of spending $4.9 billion, accounting for 2.24% of total revenue; Conocophillips, the cost of $627 million, accounting for 2.57% of total revenue; And chevron, the cost of $2.1 billion, accounting for 1.91% of the total revenue.

Since the Arab oil bans in the 1970 s, the United States has been committed to reduce our dependence on foreign oil, but the country's imports reached 7.9 million barrels per day, almost is Japan and India's oil imports. But during the campaign he said trump, will be to make the United States from dependence on oil imports oil policy. Allegedly, recently the government is preparing a trump is referred to as "energy independence" administrative order.

In the global energy conference held in this month, chevron's chief executive, said Watson for eight years the us economy is less than 3%, partly because of the implementation of a large number of regulatory policy. China resources company, chief executive of ham in during the campaign has said trump, get rid of the regulation may double the U.S. oil and gas production, realize the energy "Renaissance" of the United States.

However, last month, China resources company energy report submitted to the securities and exchange commission pointed out that Obama has eight years of implementation of environmental laws and regulations to the detriment of the company's business did not have much impact. Instead, conocophillips, spokesman said even the regulatory reform and conflicts are more likely to increase the company's costs, delays caused decision.

While the eight years of implementation of environmental regulation in the United States, but still booming oil and gas, natural gas and oil production in the United States increased by more than 50%, due to technical innovation and lead the industry to promote the development of the oil and gas industry. While U.S. oil production surge has also led to a sharp drop in global oil prices.