Given a text, write a compressed version of it in a single sentence.

After scenario development, the second step of the benefits analysis is the estimation of the effect of the Clear Skies Act on emissions sources. We generated emissions estimates for the baseline by projecting changes in emissions under the baseline case for 2010 and 2020.
After the development, the next step of benefits analysis is to estimate the effect of Clear Skies Act on emissions sources. We created estimates by projecting changes in emissions under the case for 2010.