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ECONOMIC REPORT OF THE PRESIDENT

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Percent<br />

100<br />

80<br />

Figure 7-26<br />

Sectoral Decompostion of Total CO 2 Emission<br />

Reductions, 2008–2015<br />

27<br />

19<br />

24<br />

30<br />

60<br />

35 52<br />

48<br />

40<br />

62<br />

20<br />

38 29<br />

8<br />

0<br />

Residential Commercial Industrial Transportation<br />

Lower Level of GDP Energy Intensity Carbon Intensity<br />

Source: Bureau of Economic Analysis, National Income and Product Accounts; Energy<br />

Information Administration, August 2016 Monthly Energy Review; CEA Calculations.<br />

28<br />

the GDP contributions from each sector using data from the U.S. Bureau of<br />

Economic Analysis.34 Then, CEA performs the same decomposition of total<br />

emissions reductions that was done for the economy as a whole in Figure<br />

7-25.<br />

Results of the sectoral decomposition analysis are reported in Figure<br />

7-26. In the residential sector, a lower level of GDP, lower energy intensity,<br />

and lower carbon intensity each played a similar role in reducing emissions<br />

from 2008 to 2015. For the transportation sector, a majority of emissions<br />

reductions (more than 60 percent) were due to a decrease in energy<br />

intensity. This finding could reflect the impact of increased fuel efficiency<br />

from light-duty vehicle fuel efficiency standards implemented by the<br />

Administration over this time, though the analysis cannot establish a causal<br />

link.35 Reductions in energy intensity also played important roles (48 to 52<br />

percent) in emissions reductions from the commercial and industrial sectors,<br />

possibly reflecting shifts toward less energy-intensive industries. Any<br />

influence of Administration energy efficiency policies (such as, appliance<br />

standards) could also be captured here, though no causal link is established<br />

in this analysis.<br />

34 See the Appendix for more detail.<br />

35 Phase 1 of the first-ever medium- and heavy-duty vehicle standards, finalized in 2011,<br />

affected model years 2014-2018, so fuel economy standards for these larger vehicles could only<br />

have contributed to the energy intensity share at the very end of the period.<br />

470 | Chapter 7

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