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Space Cooling
Country and regional highlights
Updated energy efficiency standards and new policies target emissions associated with space cooling
CO2 emissions
Progress on efficiency and power decarbonisation have not been sufficient to curb emissions growth from rising space cooling demand
Energy
In 2022 energy consumption for space cooling further increased by more than 5% from 2021
Activity
More than half of floor area additions to 2030 will occur in areas of the world with a high need for space cooling
Policy
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Lighting
Country and regional highlights
Prominent progress in increasing standards and labels for lighting
CO2 emissions
CO2 emissions by lighting increased marginally in 2022, despite increased uptake of efficient lamps
Energy
Increased energy demand for service lighting more than offset a drop in residential lighting in 2022
Activity
Increasing building space and population is driving additional demand for lighting
Technology deployment
LED is now the leading lighting technology in homes
Innovation
Policy
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Digitalisation
Country and regional highlights
Countries are increasingly preparing their infrastructure for digitalisation
Energy
Digital technologies can help increase energy efficiency and reduce emissions across the energy system
CO2 emissions
Digital technologies are directly responsible for around 2% of energy-related GHG emissions today
Technology deployment
Deployment of smart meters and connected devices continues to grow
Investment
Investment in digital grid technologies accelerated in 2022
Policy
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Hydrogen
Low-emissions hydrogen projects are set to grow strongly despite wave of cancellations and persistent challenges
Worldwide hydrogen demand increased to almost 100 million tonnes in 2024, up 2% from 2023 and in line with overall energy demand growth. The vast majority of this was met by hydrogen produced from fossil fuels without measures in place to capture associated emissions. Sectors that have traditionally used hydrogen, such as oil refining and industry, remained the biggest consumers.
The uptake of low-emissions hydrogen is not yet meeting the expectations set by industry and governments in recent years, especially in light of…
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Direct Air Capture
Country and regional highlights
The United States is leading the race on policy support for DAC
CO2 capture
DAC plants currently operate on a small scale, but with plans to grow
Energy
How can we capture CO2 directly from the atmosphere?
Innovation
A small but growing DAC technology portfolio is emerging
Supporting infrastructure
DAC deployment for carbon removal relies on the availability of low-carbon energy sources and CO2 storage
Policy
Government support for DAC is growing in major markets
Investment
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Aviation
Country and regional highlights
Political agreement on net zero targets for aviation has been complemented by fiscal and regulatory policies to promote sustainable aviation fuels
CO2 emissions
CO2 emissions from aviation have reached 90% of their pre-Covid-19 peak
Energy
Improvements in energy intensity have not been sufficient to counterbalance energy demand growth in recent years
Activity
Passenger activity has nearly closed the gap with pre-Covid levels
Technology deployment
Innovation
Policy
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Data Centres and Data Transmission Networks
CO2 emissions
Data centres and data transmission networks are responsible for 1% of energy-related GHG emissions
Energy
Strong efficiency improvements have helped to limit growth in energy demand from data centres globally
Activity
Emerging services and technologies such as streaming, cloud gaming, blockchain, artificial intelligence, machine learning and virtual reality are poised to boost demand for data services
Renewable energy
Policy
Private sector initiatives
Acknowledgements
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Trucks and Buses
Electrification of road transport goes beyond cars and the ambition is growing
Globally, almost 50 000 electric buses were sold in 2023, equating to 3% of total bus sales and bringing the global stock to approximately 635 000 in total. Several European countries (such as Belgium, Norway and Switzerland) and China achieved sales shares above 50% in 2023, and more than one-fifth of bus sales were electric in Canada, Chile, Finland, the Netherlands, Poland, Portugal and Sweden.
Sales of electric trucks increased 35% in 2023 compared to 2022, meaning that total sales of electric trucks surpassed electric buses for…
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Electric Vehicles
Global electric car sales continue to break records as affordability improves
Despite recent economic headwinds that have put pressure on the auto sector, global sales of electric cars have continued to break records as electric models become increasingly affordable. Electric car sales exceeded 17 million globally in 2024, reaching a sales share of more than 20%. Just the additional 3.5 million electric cars sold in 2024 compared with the previous year is more than the total number of electric cars sold worldwide in 2020.
In 2025, sales of electric cars are expected to surpass 20 million, accounting for over…
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Light Industry
Country and regional highlights
Important investment programmes are being deployed to push energy efficiency and decarbonisation in light industries
CO2 emissions
While light-industry emissions have declined since 2010, a more rapid decline is needed to get on track with the NZE Scenario
Energy
The share of fossil fuel use is declining, but progress needs to accelerate
Technology deployment
Firms should prioritise technologies for low-emission process heat and increased energy efficiency
Innovation