<prompt> Translate the following text to EnglishMatokeo ya kikanda - Programu ya mvua ya asidi ilisababisha kupunguzwa kwa uzalishaji chini ya kikomo katika maeneo ambayo yanachangia sulfu nyingi katika mvua ya asidi.  <response>: Regional Effect - The acid rain program resulted in emission reductions well below the cap in the areas that contribute most of the sulfur in acid rain. 