Emails obtained by the Associated Press reveal Doug Burgum as North Dakota governor aided oil and gas executives and leveraged connections to boost his profile.

The U.S. Senate voted Thursday to confirm former North Dakota Gov. Doug Burgum to lead the Department of Interior. During his confirmation hearing, Burgum emphasized a commitment to advancing U.S. energy production in President Donald Trump’s administration.

The Senate confirmed Doug Burgum as interior secretary late Thursday after President Donald Trump tapped the North Dakota billionaire to spearhead the Republican administration’s ambitions to boost fossil fuel production. The vote was 79-18. More than half of Senate Democrats joined all 53 Republicans in voting for Burgum.