The discovery of a new oil field in North Dakota would most likely have which effect on the United States?

The discovery of oil in North Dakota will have the following effects on the country:

There will be a further delay in the growth of the electric vehicle industry. On the other hand, the traditional vehicle industry will have a couple more years of predominance over the market. The prices of oil will probably drop. As a consequence, prices of gasoline will suffer a reduction as well. To the benefit of the users of traditional fossil fueled vehicles. The country as a whole will further delay its efforts to reduce its CO2 emissions.