Cost-effectiveness of CO2 emissions reduction through energy efficiency in Brazilian building sector

2015 ◽  
Vol 8 (4) ◽  
pp. 815-826 ◽  
Author(s):  
Conrado Augustus de Melo ◽  
Gilberto de Martino Jannuzzi
2021 ◽  
Vol 279 ◽  
pp. 123374
Author(s):  
Kazeem Alasinrin Babatunde ◽  
Fathin Faizah Said ◽  
Nor Ghani Md Nor ◽  
Rawshan Ara Begum ◽  
Moamin A. Mahmoud

2021 ◽  
Vol 10 (4) ◽  
pp. 713-729
Author(s):  
Rice Verouska Nono Seutche ◽  
Marie Sawadogo ◽  
Firmin Nkamleu Ngassam

Burkina Faso like many other African countries hosts many renewable energy (RE) and energy efficiency (EE) projects that are not registered to the clean development mechanism (CDM), but which could represent potential CDM opportunities. This study seeks to determine these projects’ impact on the level of CO2 emissions in the country, and to determine their CDM potential by quantifying their carbon emissions reduction, using approved CDM methodologies adapted to the projects. 21 RE projects and 7 EE projects were considered, and all proven to be additional. Results revealed that, 68709.424 MWh and 9430.446MWh were saved and displaced by the EE and RE projects respectively annually, accounting for 48157.668 tCO2e emissions reduced annually. This accounts for a 63.12% emissions reduction from the baseline scenario and represents a huge potential for the CDM, ready to be harnessed. The total amount of emissions reduced could generate about 48157.668 Certified Emissions Reduction (CERs) yearly. Considering a carbon price of $10/tCO2e and a 10-year fixed crediting period starting from 2020 would imply a total revenue of $4815766.8 in 2030 from the CERs , which will increase the sector’s attractiveness to investors. Policies promoting the registration of these projects to the CDM are essential to boost the development of more of such projects in the country/ region, which will benefit from the sustainable development the CDM offers, while contributing to the achievement of its Intended Nationally Determined Contributions.


Nature Energy ◽  
2018 ◽  
Vol 3 (11) ◽  
pp. 978-984 ◽  
Author(s):  
Nan Zhou ◽  
Nina Khanna ◽  
Wei Feng ◽  
Jing Ke ◽  
Mark Levine

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3917
Author(s):  
David Vérez ◽  
Luisa F. Cabeza

The building sector, as a major energy consumer with high direct and indirect CO2 emissions, plays a vital role in the fight against climate change. In order to make buildings more comfortable, functional, efficient and safe, building services are used. Therefore, building services are the key to decrease their contribution to climate change. Due to the lack of organized literature on this topic, this paper presents the first comprehensive assessment of trends in the literature on building services related to climate change, which was completed by conducting a bibliometric analysis of the existing literature on the topic. The ultimate goal is to provide a source where researchers and other interested parties can find this information in an organized manner. Results show that the most abundant and recent studies related to building services are based on improving energy efficiency by optimizing systems such as ventilation or lighting, the latter with the installation of LED lights. In addition, recent studies have focused on social factors such as housing and urban growth.


2013 ◽  
Vol 291-294 ◽  
pp. 1380-1384
Author(s):  
Rui Min Mu ◽  
Li Wei Zhan ◽  
Jing Jing Jia ◽  
Xue Liang Yuan

In order to increase the ability of tackling with climate change, China has put many efforts on restructuring industrial sectors, improving energy efficiency and developing new and renewable energy resources. This study provides a critical assessment of various factors on reducing CO2 emissions with the method of scenario analysis. The results show industrial restructuring has marginal effect on CO2 emissions compared with improving energy efficiency and adjusting energy structure. To achieve the projected target on CO2 emissions reduction, a combination of optimized industrial structure and energy structure as well as improved energy efficiency is the proper scenario for China. The findings provide a useful reference for policy-makers to develop energy policies.


2021 ◽  
Vol 13 (15) ◽  
pp. 8237
Author(s):  
István Árpád ◽  
Judit T. Kiss ◽  
Gábor Bellér ◽  
Dénes Kocsis

The regulation of vehicular CO2 emissions determines the permissible emissions of vehicles in units of g CO2/km. However, these values only partially provide adequate information because they characterize only the vehicle but not the emission of the associated energy supply technology system. The energy needed for the motion of vehicles is generated in several ways by the energy industry, depending on how the vehicles are driven. These methods of energy generation consist of different series of energy source conversions, where the last technological step is the vehicle itself, and the result is the motion. In addition, sustainability characterization of vehicles cannot be determined by the vehicle’s CO2 emissions alone because it is a more complex notion. The new approach investigates the entire energy technology system associated with the generation of motion, which of course includes the vehicle. The total CO2 emissions and the resulting energy efficiency have been determined. For this, it was necessary to systematize (collect) the energy supply technology lines of the vehicles. The emission results are not given in g CO2/km but in g CO2/J, which is defined in the paper. This new method is complementary to the European Union regulative one, but it allows more complex evaluations of sustainability. The calculations were performed based on Hungarian data. Finally, using the resulting energy efficiency values, the emission results were evaluated by constructing a sustainability matrix similar to the risk matrix. If only the vehicle is investigated, low CO2 emissions can be achieved with vehicles using internal combustion engines. However, taking into consideration present technologies, in terms of sustainability, the spread of electric-only vehicles using renewable energies can result in improvement in the future. This proposal was supported by the combined analysis of the energy-specific CO2 emissions and the energy efficiency of vehicles with different power-driven systems.


2021 ◽  
Vol 13 (4) ◽  
pp. 1605
Author(s):  
Shuangjie Li ◽  
Hongyu Diao ◽  
Liming Wang ◽  
Chunqi Li

Energy efficiency is crucial to the 2030 UN Sustainable Development Goals (SDGs), but its widely measured indicator, energy intensity, is still insufficient. For this reason, in 2006, total factor energy efficiency (TFEE) was proposed with capital, labor, and energy as inputs and GDP as the desirable output. The later TFEE approach further incorporated pollution as the undesirable output. However, it is problematic to regard GDP (the total value of final products) as the desirable output, because GDP does not include the intermediate consumption, which accounts for a large part of the production activities and may even be larger than the value of GDP. GDP is more suitable for measuring distribution, while VO (value of output) is more appropriate for sustainable production analysis. Therefore, we propose a VO TFEE approach that takes VO as the desirable output instead and correspondingly incorporates the other intermediate materials and services except energy into inputs. Finally, the empirical analysis of the textile industry of EU member states during 2011–2017 indicates that the VO TFEE approach is more stable and convergent in measuring energy efficiency, and is more suitable for helping policymakers achieve the SDGs of energy saving, emissions reduction, and sustainable economic development.


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