Sustainability Report 2013/14
Climate Change and the Environment
Billion kilowatt hours
2008 | 2009 | 2010 | 2011 | 2012 | 2013 | |
---|---|---|---|---|---|---|
Total | 17.9 | 15.1 | 16.1 | 15.5 | 14.2 | 15.0 |
Direct | 10.8 | 8.7 | 8.4 | 7.9 | 6.8 | 7.6 |
Indirect | 7.1 | 6.4 | 7.7 | 7.6 | 7.5 | 7.5 |
Worldwide facility energy consumption increased from 2012 to 2013 due to increased production, use of additional facilities, and colder weather, which increased heating and cooling-related energy requirements. 2012 data was revised and restated to correct calculation errors.
Kilowatt hours per vehicle
2008 | 2009 | 2010 | 2011 | 2012 | 2013 | |
---|---|---|---|---|---|---|
Total | 3,561 | 3,272 | 3,087 | 2,778 | 2,539 | 2,442 |
Direct | 2,142 | 1,891 | 1,609 | 1,408 | 1,207 | 1,229 |
Indirect | 1,419 | 1,381 | 1,478 | 1,370 | 1,332 | 1,213 |
Worldwide facility energy consumption per vehicle produced decreased by 4 percent from 2012 to 2013, reflecting the greater efficiency of our production.
2012 data was revised and restated due to calculation errors.
Million metric tons
2008 | 2009 | 2010 | 2011 | 2012 | 2013 | |
---|---|---|---|---|---|---|
Total | 5.4 | 4.6 | 5.2 | 5.1 | 4.8 | 4.8 |
Direct | 1.9 | 1.5 | 1.7 | 1.6 | 1.4 | 1.5 |
Indirect | 3.5 | 3.1 | 3.6 | 3.5 | 3.4 | 3.3 |
Worldwide facilities CO2 emissions increased by 0.6% from 2012 to 2013 due to increased production. While our CO2 emissions are linked to the amount of energy we use, and our energy and CO2 emissions do move in the same direction, they do not necessarily increase or decrease by exactly the same amount. For example, in 2013, our total energy use increased by 6 percent compared to 2012, while our total CO2 emissions increased by only 0.6 percent.
For 2013, national electricity factors were updated in accordance with internationally published GHG reporting protocols. 2012 data was revised to correct for calculation errors in total direct CO2 emissions.
Metric tons per vehicle
2008 | 2009 | 2010 | 2011 | 2012 | 2013 | |
---|---|---|---|---|---|---|
Total | 1.09 | 1.07 | 1.01 | 0.91 | 0.86 | 0.78 |
Direct | 0.38 | 0.35 | 0.31 | 0.28 | 0.25 | 0.24 |
Indirect | 0.71 | 0.72 | 0.70 | 0.63 | 0.61 | 0.54 |
CO2 emissions per vehicle declined for the fifth year, reflecting our focus on improving the energy efficiency of our operations. We are working to meet our goal of reducing global facility CO2 emissions per vehicle by 30 percent by 2025 from a 2010 baseline. While our CO2 emissions are linked to the amount of energy we use, and our energy and CO2 emissions do move in the same direction, they do not necessarily increase or decrease by exactly the same amount. For example, in 2013, our total facilities energy use increased by 6 percent compared to 2012, while our total facilities CO2 emissions increased by only 0.6 percent. For 2013, national electricity factors were updated in accordance with internationally published GHG reporting protocols. 2012 data was revised and restated to correct for calculation errors in total direct CO2 emissions and the removal of Geelong Casting and Engine from the vehicle production number.
Percent
2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
---|---|---|---|---|---|
11.7 | 18.3 | 14.4 | 2.6 | 6.4 | 17.0 |
The energy efficiency index is a normalized indicator of energy used in our manufacturing facilities per vehicle produced based on a calculation that adjusts for typical variances in weather and vehicle production. The Index is set at 100 for the baseline year to simplify tracking annual improvements. In 2012, we expanded our energy efficiency to include global energy use data. In previous years, it only included energy use at North American facilities. In 2012, we also reset the baseline year to 2011. A year 2000 baseline was used through 2006; the baseline was reset to year 2010 starting in 2011. The year 2012 improvement indexed against the year 2011 baseline was 6.4, indicating a 6.4 percent improvement in global energy efficiency per vehicle from 2011 to 2012. Higher percentage reflects improvement. The year 2013 improvement indexed against the year 2011 baseline was 17 (%).
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