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Air conditioners in passenger cars, vans, buses and freight trucks - collectively known as mobile air conditioning - consume large amounts of energy. The fuel they use and their leaks of refrigerant are also responsible for a significant amount of greenhouse gas emissions. This report explores the current global energy consumption from mobile air conditioning systems, along with the resulting greenhouse gas emissions from the energy consumption and the leaking refrigerants. With no further policy action, energy use from mobile air conditioning may almost triple to over 5.7 million barrels of oil equivalent per day by 2050. At the same time, annual combined emissions from energy consumption and refrigerant leakage could more than triple to 1 300 million tons of CO2 equivalent. The report provides a summary review of the technical opportunities for improving the efficiency of mobile air conditioning. This is complemented with a review of the different types of alternative cooling refrigerants, and their potential impact on global warming. These two analyses are combined to develop a scenario of high efficiency and low global warming potential. The report's analysis is based on a study of the literature and makes use of the IEA's Mobility Model, which provides insights into the current and expected future stock of road vehicles. Finally, the report explores the role government policy can play in supporting the development and installation of more efficient mobile air conditioning systems.

Motor vehicles --- Air conditioning.

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• Reference Manager
• EndNote
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Air conditioners in passenger cars, vans, buses and freight trucks - collectively known as mobile air conditioning - consume large amounts of energy. The fuel they use and their leaks of refrigerant are also responsible for a significant amount of greenhouse gas emissions. This report explores the current global energy consumption from mobile air conditioning systems, along with the resulting greenhouse gas emissions from the energy consumption and the leaking refrigerants. With no further policy action, energy use from mobile air conditioning may almost triple to over 5.7 million barrels of oil equivalent per day by 2050. At the same time, annual combined emissions from energy consumption and refrigerant leakage could more than triple to 1 300 million tons of CO2 equivalent. The report provides a summary review of the technical opportunities for improving the efficiency of mobile air conditioning. This is complemented with a review of the different types of alternative cooling refrigerants, and their potential impact on global warming. These two analyses are combined to develop a scenario of high efficiency and low global warming potential. The report's analysis is based on a study of the literature and makes use of the IEA's Mobility Model, which provides insights into the current and expected future stock of road vehicles. Finally, the report explores the role government policy can play in supporting the development and installation of more efficient mobile air conditioning systems.

Motor vehicles --- Air conditioning.

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The People's Republic of China had the fastest growth in space cooling energy consumption worldwide in the last two decades, driven by increasing income and growing demand for thermal comfort. This report explores the principal trends and challenges related to this rapid growth, looking into existing market developments, policies, technology choices and occupant behaviour in buildings in China. It then looks at how cooling demand in buildings might evolve over the next decade to 2030 and considers what China can do to ensure greater cooling comfort without parallel growth in energy consumption and related emissions. The report recommends raising energy performance standards for cooling equipment, tapping into building design opportunities, and ensuring that "part time" and "part space" behaviour remains the principal cooling mode in buildings. These strategies, among others, will reduce the impact of rising cooling demand on China's electricity system, unlocking benefits in terms of reduced power capacity investments, lower energy and maintenance costs, improved air quality, and greater access to cooling comfort.

Air conditioning --- Environmental aspects. --- China --- Environmental conditions.

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• Reference Manager
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The People's Republic of China had the fastest growth in space cooling energy consumption worldwide in the last two decades, driven by increasing income and growing demand for thermal comfort. This report explores the principal trends and challenges related to this rapid growth, looking into existing market developments, policies, technology choices and occupant behaviour in buildings in China. It then looks at how cooling demand in buildings might evolve over the next decade to 2030 and considers what China can do to ensure greater cooling comfort without parallel growth in energy consumption and related emissions. The report recommends raising energy performance standards for cooling equipment, tapping into building design opportunities, and ensuring that "part time" and "part space" behaviour remains the principal cooling mode in buildings. These strategies, among others, will reduce the impact of rising cooling demand on China's electricity system, unlocking benefits in terms of reduced power capacity investments, lower energy and maintenance costs, improved air quality, and greater access to cooling comfort.

Air conditioning --- Environmental aspects. --- China --- Environmental conditions.

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Air pollution. Air purification --- Artificial intelligence. Robotics. Simulation. Graphics --- Heating, climatisation, ventilation and air conditioning