Hindustan Times | Trump grants exemption to oil pipeline project partly manufactured by Welspun Hindustan Times Keystone XL oil pipeline, a long-running project killed by President Barack Obama and resurrected by President Donald Trump, has been exempted from his January directive to use only American-made steel in new, expanded or retrofitted lines. A White ... Keystone oil pipeline won't have to use American steel despite Trump's vow Keystone XL oil pipeline will not use American steel, despite Donald Trump's pledge |