<prompt> Translate the following text to SwahiliThe savings come from the opportunity to make cost-effective plant investment and retirement decisions with full knowledge of upcoming SO2, NOx and mercury requirements, rather than investing in add-on control equipment to meet the requirements of each regulation.  <response>: Uokoaji hutokana na fursa ya kufanya uwekezaji wa gharama nafuu wa kiwanda na maamuzi ya kustaafu na maarifa kamili ya mahitaji ya SO2, NOx na mercury, badala ya kuwekeza katika vifaa vya kudhibiti vya ziada ili kukidhi mahitaji ya kila kanuni. 