<prompt> Translate the following text to EnglishKwa sababu vyanzo vinaweza kupunguza uzalishaji mapema, kupata ruzuku kwa vitendo hivi, na kutumia ruzuku baadaye, uzalishaji halisi unatarajiwa kuwa juu kuliko kiwango cha juu katika miaka ya kwanza ya kila kiwango cha juu.  <response>: Because sources can reduce emissions early, earn allowances for these actions, and use the allowances later, actual emissions are projected to be higher than the cap in the first years of each cap. 