American Petroleum Institute
FILE - This April 21, 2010 file photo shows the Deepwater Horizon oil rig burning after an explosion in the Gulf of Mexico, off the southeast tip of Louisiana. Ten years after an oil rig explosion killed 11 workers and unleashed an environmental nightmare in the Gulf of Mexico, companies are drilling into deeper and deeper waters where the payoffs can be huge but the risks are greater than ever. (AP Photo/Gerald Herbert, File)
10 years after BP spill: Oil drilled deeper; rules relaxed

By Kevin Mcgill And Matthew Brown Apr. 18, 2020 10:15 AM EDT