<prompt> Translate the following text to Swahilimillion tons in 2010, and 3 million tons in 2018, - Decreasing NOx emissions by 67 percent, from current emissions of 5 million tons to a cap of 2.1  <response>: Mabadiliko ya kiwango cha CO2 ya NOx ya mwaka 2010 na mwaka 2018 ni muhimu kwa kupunguza uzalishaji wa CO2 kwa asilimia 67 kutoka kiwango cha sasa cha CO2 cha milioni 5 hadi kiwango cha juu cha CO2. 