<prompt> Translate the following text to EnglishKwa mfano, karibu asilimia 67 ya uzalishaji wa SO2 na asilimia 25 ya uzalishaji wa NOx hutokezwa na mitambo ya umeme inayotumia mafuta ya makaa ya mawe.  <response>: In the United States, about 67 percent of annual SO2 emissions and 25 percent of NOx emissions are produced by electric utility plants that burn fossil fuels. 