<prompt> Translate the following text to EnglishVipimo vya kupunguza NOx kwa Mashariki na Magharibi pia vitatolewa ili kukidhi mahitaji haya tofauti, na mikoa tofauti ya biashara ya Mashariki na Magharibi itaundwa.  <response>: NOx reduction caps for the East and West will also be set to accommodate these different needs, and separate East and West trading regions will be created. 