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Perhaps the most immediate impact on energy can be obtained by increasing the efficiency of electrical applicances. The breakdown of electricity consumption in the US is shown below. Work within EECS at MIT specifically addresses the important consumption categories of lighting, space ventilation and heating, as well as electronics and appliances. (See Fig. 10, below).

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Lighting | Energy use: architectural | Energy use: electronic devices | Electricity Transmission | Electric Machines | Transportation

Fig. 10. Direct electricity consumption by end users according to the US Dept. of Energy.Data from the Energy Information Agency, "Annual Energy Review 2006," Report No. DOE/EIA-0384(2006): http://www.eia.doe.gov/emeu/aer/contents.html and "Annual Energy Outlook 2007," Report No. DOE/EIA- 0383(2007): http://www.eia.doe.gov/oiaf/aeo/index.html.