Aug 28, 2014 The extremist group ISIS finances itself in part by selling oil on the black market
Aug 28, 2014 Oil companies spend millions for the right to drill in the Gulf of Mexico.
Aug 13, 2014 Nigeria confirmed at least 13 cases of the disease last week.
Aug 7, 2014 More on one of the biggest business and policy stories of the decade.
Jul 28, 2014 Russia seized the assets of oil giant Yukos in 2003.
Jul 11, 2014 Improving the image of foreign governments is big business for US PR firms.
Jul 4, 2014 Fracking oil wells burn off as much a third of the natural gas they release.
Jun 25, 2014 Ultralight oil made by fracking is seeping through cracks in the U.S. ban on oil exports.
Jun 20, 2014 Weekly Wrap for Marketplace on June 20, 2014.