Among American oil and gas businesses, Hilcorp Energy, Exxon Mobil, and ConocoPhillips generate the greatest greenhouse gases

According to new research released on Thursday by multiple sustainability organisations utilising data from the U.S. government, of the 303 U.S. oil and gas companies that provide data to the EPA, Hilcorp Energy, Exxon Mobil, and ConocoPhillips discharge the most greenhouse gases.

 In contrast to the absolute value of emissions, representatives for the oil and gas businesses at the top of the list stated that they focused on emi....