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Decision makers facing abatement targets need to decide which abatement measures to implement, and in which order. This paper investigates the ability of marginal abatement cost (MAC) curves to inform this decision, reanalysing a MAC curve developed by the World Bank on Brazil. Misinterpreting MAC curves and focusing on short-term targets (e.g., for 2020) would lead to under-invest in expensive, long-to-implement and large-potential options, such as clean transportation infrastructure. Meeting short-term targets with marginal energy-efficiency improvements would lead to carbon-intensive lock-ins that make longer-term targets (e.g., for 2030 and beyond) impossible or too expensive to reach. Improvements to existing MAC curves are proposed, based on (1) enhanced data collection and reporting; (2) a simple optimization tool that accounts for constraints on implementation speeds; and (3) new graphical representations of MAC curves. Designing climate mitigation policies can be done through a pragmatic combination of two approaches. The synergy approach is based on MAC curves to identify the cheapest mitigation options and maximize co-benefits. The urgency approach considers the long-term objective (e.g., halving emissions by 2050) and works backward to identify actions that need to be implemented early, such as public support to clean infrastructure and zero-carbon technologies.
Climate Change Economics --- Climate Change Mitigation and Green House Gases --- Climate Mitigation Policies --- Data Collection --- Energy --- Energy and Environment --- Energy Production and Transportation --- Energy-Efficiency Improvements --- Environment --- Environment and Energy Efficiency --- Macroeconomics and Economic Growth --- Marginal Abatement Cost --- Mitigation Strategies
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The clean energy transition is the transition from the use of nonrenewable energy sources to renewable sources and is part of the wider transition to sustainable economies through the use of renewable energy, the adoption of energy-saving measures, and sustainable development techniques. The clean energy transition is a long and complex process that will lead to an epochal change, and it will allow safeguarding the health of the environment in the long term. For its success, it necessitates contribution from everyone, from the individual citizen to large multinationals, passing through SMEs; national and international policies play a key role in paving the way to this process. This Special Issue is focused on technical, financial, and policy-related aspects linked to the transition of industrial and service sectors towards energy saving and decarbonization. These different aspects are interrelated and, as such, they have been analyzed with an interdisciplinary approach, for example, by combining economic and technical information. The collected papers focus on energy efficiency and clean-energy key technologies, renewable sources, energy management and monitoring systems, energy policies and regulations, and economic and financial aspects.
Technology: general issues --- History of engineering & technology --- anomaly detection --- principal component analysis --- Monte Carlo simulation --- PV cell production line --- predictive maintenance --- energy audits (EAs) --- energy management systems --- energy performance improved actions (EPIAs) --- energy efficiency --- manufacturing industry --- tertiary sector --- EES systems --- greenhouse gas --- load leveling --- best-mix solution --- optimal operation algorithm --- optimization --- organic rankine cycle --- steam rankine cycle --- energy analysis --- economic analysis --- environmental analysis --- clean energy technologies --- European Green Deal --- fit for 55 --- patent family --- rarity index --- revealed technological advantages --- technological sovereignty --- energy performance indicators (EnPI) --- specific energy consumption (SEC) --- energy management --- industry --- cement --- energy transition --- energy-saving technologies --- foundry manufacturing plant --- Italian overview --- energy efficiency improvements --- waste heat recovery --- waste heat survey --- dairy industry --- oil refining --- refineries --- EnPIs --- health sector --- energy audit --- energy efficiency in economic sectors --- clean-energy technologies --- energy policies and regulations --- financial instruments --- decarbonisation --- renewable energy sources
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