 Friendships I've made over the years as a front row Joe, it's probably the best part of it. Don't miss Trump's Front Row Joe's. Watch it now. Go to SalemNow.com. SalemNow.com. Sales of oil have historically been predominantly in U.S. dollars. Recently, oil producers, such as Saudi Arabia, have been exploring options for sales in other currencies. Oil sales in other currencies would lessen the demand for the U.S. dollar.