President Trump Revives Keystone Pipeline Rejected by Obama WASHINGTON U.S. President Donald Trump signed two executive orders on Tuesday to move forward with construction of the controversial Keystone XL and Dakota Access oil pipelines , rolling back key Obama administration environmental policies in favor of expanding energy infrastructure. U.S President Donald trump Showing signed keystone pipeline. While oil producers in Canada and North Dakota are expected to benefit from a quicker route for crude oil to U.S. Gulf Coast refiners , a revival of the projects would mark a bitter defeat for Native American tribes and climate activists, who vowed to fight the decisions through legal action. Trump campaigned on promises to increase domestic energy production and before taking office indicated he supported completion of the Dakota pipeline and re-starting the C$8 billion ($6.1 billion) Keystone XL project, which was rejected in 2015 by then...