<prompt> Translate the following text to EnglishRais Obama ameamuru EPA kupendekeza sheria ambayo itapunguza kwa kiasi kikubwa uzalishaji wa SO2, NOx na mercury kutoka kwa uzalishaji wa umeme kupitia mpango wa kiwango cha juu na biashara.  <response>: Thus, the President directed EPA to propose legislation that would significantly reduce SO2, NOx, and mercury emissions from power generation through a cap and trade program. 