<prompt> Translate the following text to SwahiliTo amend the Clean Air Act to reduce air pollution through expansion of cap and trade programs, to provide an alternative regulatory classification for units subject to the cap and trade programs, and for other purposes.  <response>: Sheria ya hewa safi ya Marekani Clean Air Act inapaswa kubadilishwa ili kupunguza uchafuzi wa hewa kwa kupanua mipango ya cap na biashara, na kutoa uainishaji mbadala wa udhibiti kwa vitengo vinavyofuata mipango ya cap na biashara, na kwa madhumuni mengine. 