<prompt> Translate the following text to EnglishKwa kuzingatia jumla ya biashara ya urea ya ulimwengu, ongezeko la mahitaji kutokana na kanuni ya uchafuzi wa mazingira itakuwa chini ya asilimia 2 ya biashara ya ulimwengu ikiwa SCR zote zitatumia urea badala ya amonia.  <response>: 10 Based on total world urea trade, increased demand due to a multipollutant regulation would be well under 2 percent of world trade if all SCRs used urea rather than ammonia. 