Energy-efficient Building Materials: Investments For Long-term Savings – Materials are the building blocks of society, making up the buildings, infrastructure, equipment, and products that enable businesses and people to carry out their daily activities. Economic development has historically coincided with increased demand for materials, resulting in increased energy consumption and carbon dioxide (CO2) emissions associated with material production. The transition to clean energy requires decoupling these trends. Material efficiency strategies can contribute to reducing his CO2 emissions throughout the value chain. Despite being an often overlooked means of reducing emissions, opportunities to increase material efficiency exist at every stage of the lifecycle, from design to manufacturing, use, and ultimately end-of-life. Pushing these strategies to their practical and achievable limits could significantly reduce demand for some key materials. Conversely, demand for some materials may increase modestly while providing favorable emissions benefits at other points in the value chain. As a result, improved material efficiency can reduce some of the need to implement other CO2 emission reduction options while achieving the same emissions reductions, contributing to the clean energy transition.

This analysis explores the potential for material efficiency and the resulting energy and emissions impacts for the major energy-intensive materials: steel, cement, and aluminium. It includes details on the building construction and vehicle value chain and outlines key policies and stakeholder actions to improve material efficiency. Key actions include: Increase material usage data collection and benchmarking. Improve consideration of life cycle impacts in climate regulation and design stages. Facilitate the reuse, repurposing and recycling of products and buildings at the end of their lifespan.

Energy-efficient Building Materials: Investments For Long-term Savings

Economic development has historically relied on increasing material demand, which has led to increased energy consumption and carbon dioxide (CO2).

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) Emissions from material production. Applying material efficiency strategies throughout the value chain can help isolate these trends.

The transition to clean energy will impact established material demand trends. In the clean technology scenario, changes in material efficiency and technology reduce material demand compared to the reference technology scenario, where the trend in material demand roughly follows historical trends. By 2060, material demand will be lower in the clean technology scenario than in the reference technology scenario. Steel is 24% lower, cement is 15% lower and aluminum is 17% lower. Material efficiency contributes approximately 30% of total CO2

There is considerable potential for further increases in material efficiency than in the clean technology scenario. Pursuing material efficiency to very ambitious and achievable limits in the material efficiency variant will lead to additional demand reductions for steel (16%) and cement (9%) in 2060. Aluminum demand increases slightly compared to the clean technology scenario (5% in 2060), but CO

Materials efficiency strategies make the need for the adoption of low-carbon industrial process technologies more gradual to achieve the same decarbonization outcomes. In the material efficiency variant, cumulative industrial CO2

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Emissions are the same as in the clean technology scenario, but emissions intensity is higher for steel (4% in 2060) and cement (7% in 2060). The emission intensity of aluminum is slightly lower (9% in 2060). Total cumulative capital investment in low-carbon industrial process technologies for steel, cement, and aluminum is 4% lower by 2060 in the material efficiency variant than in the clean technology scenario.

Further increases in material efficiency require efforts from governments, industry, and the research community. Main actions include: Increase material usage data collection and benchmarking. Improve consideration of life cycle impacts in climate regulation and design stages. Facilitate the reuse, repurposing and recycling of products and buildings at the end of their lifespan.

Economic development has historically depended on ever-increasing material demands. However, the production of materials consumes resources and energy, resulting in the production of carbon dioxide (CO).

The transition to clean energy will impact established material demand trends through a combination of technological change and the pursuit of material efficiency strategies. Potential for material efficiency exists across the value chain through long-life design, weight reduction, reduced material loss during manufacturing and construction, life extension, more intensive use, reuse, recycling, etc. This report explores the material efficiency potential and impact of three energy-intensive materials (steel, cement, and aluminium) and details the two major value chains that consume the materials (building construction and vehicles). To do.

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The clean technology scenario, consistent with the goals of the Paris Agreement, reduces material demand compared to the reference technology scenario. 24% for steel (about 6 times the US production in 2017), 15% for cement in 2060 (2.5 times India’s main production in 2017) and 17% for aluminum (2017 1.2 times the primary production of the People’s Republic of China in 2017). Material efficiency contributes approximately 30% of the total. Emission reductions for these three materials in the 2060 clean technology scenario.

In the construction sector, due to the reduction in material demand, in the clean technology scenario he will contribute to a cumulative emission reduction of 10 gigatonnes by 2060, which corresponds to a reduction of 10% of his CO.

Emissions from the use of steel and cement in buildings compared to the reference technology scenario. The main reason for the reduction in demand is due to the extension of the lifespan of buildings, which is pursued in parallel with improvements in energy efficiency. In the transport sector, vehicle weight reduction will contribute to around 10% of the world’s total in-use emissions reduction for light passenger vehicles in 2060 in a clean technology scenario. Compared to the reference technology scenario. This is in large part in the context of many other emission reduction strategies being promoted in road vehicles, such as engine and powertrain efficiency measures and fuel switching (including electrification).

Significant potential exists to push material efficiency beyond clean technology scenarios. The material efficiency variant achieves the same degree of energy sector decarbonization as the clean technology scenario. But taking into account real-world technical, political, and behavioral constraints, we pursue material efficiency strategies to even more ambitious yet achievable limits. Significantly advanced strategies include greater regulatory commitment, stakeholder alignment, value chain integration, investment, training, changes in business practices, or behavioral changes (e.g., improved building design and construction, significant weight reduction of vehicles, reuse of materials). This would lead to further reductions in material demand, especially for steel (16%) and cement (9%) in his 2060 compared to the clean technology scenario. Aluminum usage will increase (5% in 2060) as vehicle weight reduction outweighs other strategies. Downward pressure on demand.

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Material efficiency strategies result in a need for slower adoption of low-carbon industrial process technologies for the same CO2

The material efficiency variant achieves the same cumulative industrial emissions as the clean technology scenario, but with higher emission intensity for steel (4% in 2060) and cement (7% in 2060). The emission intensity of aluminum is slightly lower (9% in 2060). The cumulative capital investment required for low-carbon industrial process technologies will decrease by 4% by 2060 compared to the clean technology scenario. For example, the cumulative amount of CO2 captured and stored

If material efficiency strategies were pursued to this extent, the cement sector’s emissions would decrease by 45%.

Additional material efficiency efforts may enable some value chains to achieve emissions reductions beyond clean technology scenarios. For example, in the vehicle supply chain, increased fuel efficiency due to additional vehicle weight reduction in material efficiency variants increases net emissions by 17% for light passenger vehicles and 9% for light commercial vehicles and heavy vehicles over the clean technology scenario. will be reduced. 2060. Total emissions from vehicle materials production are increasing slowly due to increased production of aluminum, plastics, and composite materials. However, this increase is outweighed by the reduction in emissions during vehicle use. In the construction sector, additional material efficiency efforts will reduce pressure on the industry without necessarily reducing emissions during the building use phase.

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Further increases in material efficiency will reduce the need to implement low-carbon industrial process technologies and achieve emissions reductions throughout the value chain.

Material efficiency comes with challenges and costs. Real and perceived risks, cost, time constraints, fragmented supply chains, regulatory restrictions, and lack of awareness are some of the many barriers preventing further adoption of material efficiency strategies. Improving material efficiency is often costly, but estimates suggest it may be within reasonable limits compared to other emission reduction options.

Further improvements in material efficiency are possible through the efforts of all stakeholders. Government and industry can work together to further develop regulatory frameworks and business models that support material efficiency. By working with researchers to increase data collection and conduct rigorous lifecycle assessments, industry will be able to consider lifecycle impacts when designing products and buildings. It is also important to increase efforts to reuse, reuse and recycle used materials. Consumers can play a role by increasing demand for material-efficient products that contribute to CO reductions

Materials are the basic building blocks of society. These constitute the buildings, infrastructure, equipment, and goods that enable businesses to operate and people to carry out their daily activities. These enable services such as transportation, shelter, and mechanical labor, often through the use of energy.

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Global demand for key materials has increased significantly over the past few decades. Since 1971, global demand for steel has tripled, cement by about seven times, primary aluminum by about six times, and plastics by more than ten times. The increase in material consumption coincided with the development of population and economy. During the same period, the world’s population

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