<prompt> Translate the following text to EnglishShirika la Ulinzi wa Mazingira EPA limedai kuwa udhibiti wa uzalishaji wa zebaki kutoka kwa mitambo ya umeme inayotumia makaa ya mawe ni sahihi na muhimu.  <response>: Environmental Protection Agency EPA has determined that the regulation of mercury emissions from coal-fired power plants is appropriate and necessary. 