Transcribed
CO2 and CH4 savings due to improved efficiency by region and policy in the 4-for 2°C Scenario
Figure 2.5 D CO, and CH, savings due to improved efficiency by region and policy in the 4-for-2 °C Scenario relative to the New Policies Scenario, 2020 Road transport China Industrial motors Appliances and lighting United States Нeating and cooling European Union India Russia Rest of world 100 200 300 400 500 600 700 Mt COz-eq
CO2 and CH4 savings due to improved efficiency by region and policy in the 4-for 2°C Scenario
shared by W.E.R.I on Jul 02
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Almost 80% of energy efficiency-related savings occurs in five regions: China, the United
States, the European Union, India and Russia (Figure 2.5). China sees by far the largest
reduction in emissi...
ons through more efficient use of energy, at around 40% of the global
total. Many of these savings are made in industry, at around 280 Mt CO2-eq in 2020, or
44% of efficiency-related savings, stemming from the use of more efficient industrial motor
systems. Industry in China currently accounts for about two-thirds of the country's total
electricity consumption, of which it is estimated that 60-70% is used by electric motors
(IEA, 2011b). While China has already adopted MEPS for some motors, their typical
operational efficiency is 10-30% below the standard in international best practices
(SwitchAsia, 2013). The vast majority of electricity savings from motor systems, however,
comes from a combination of appropriate use of variable speed drives, proper motor
sitting, preventive maintenance and optimising the motor-driven equipment, as the
nominal efficiency of an electric motor can only be enhanced by around three percentage
points for a medium-sized motor.
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