<prompt> Translate the following text to EnglishIli kutoa ufahamu wa umuhimu wa uwezekano wa vipengele muhimu msingi makadirio ya faida ya kupunguza SOX na NOX uzalishaji, sisi maendeleo Makadirio mbadala kwa kutumia uchaguzi tofauti ya data, mbinu, na dhana kwamba ni maelezo katika Sehemu II Analytical mbinu.  <response>: In order to provide some insight into the potential importance of the key elements underlying estimates of the benefits of reducing SOx and NOx emissions, we developed an Alternative Estimate using different choices of data, methods, and assumptions that are detailed in Section II Analytical Approach. 