scholarly journals Shared Bicycle Distribution Connected to Subway Line Considering Citizens’ Morning Peak Social Characteristics for Urban Low-Carbon Development

2021 ◽  
Vol 13 (16) ◽  
pp. 9263
Author(s):  
Shuo Zhang ◽  
Li Chen ◽  
Yingzi Li
Keyword(s):  
Carbon Emissions ◽  
Daily Basis ◽  
Urban Traffic ◽  
Social Characteristics ◽  
Transport Sector ◽  
Low Carbon ◽  
Morning Peak ◽  
Distribution Limits ◽  
Shared Bicycle

The transport sector has produced numerous carbon emissions in China, and it is important to promote low carbon commuting. As an emerging mode of urban low-carbon transportation in China, shared bicycles have been used by more and more citizens on a daily basis, with advantages of green and low-carbon emissions to environment, flexibility for short trips, and convenience for covering the distance between the normal low-carbon transportation and destinations. However, the imbalanced distribution of shared bicycles along subway lines, especially during the morning peak hours, has directly restricted their performance in urban traffic. In this paper, an integer linear program model (ILPM) is proposed to obtain an optimal low-carbon distribution plan of shared bicycles connecting with the subway line (SBCSL) during the morning peak hours. First, an objective function is built to improve the carbon emission reduction of SBCSL. Second, constraint functions are extracted considering the quantity of bicycles to be distributed to the subway line as well as the distribution limits of each subway station. At last, a case study is conducted on the distribution of shared bicycles in Beijing Subway Line 13 of China during the morning peak hours. The results show that the ILPM is of significance to provide optimal distribution scheme of shared bicycles in subway line with different station types including office-oriented, residential-oriented, and hybrid-oriented stations.

scholarly journals Low-Carbon Impact of Urban Rail Transit Based on Passenger Demand Forecast in Baoji

Energies ◽  
2020 ◽  
Vol 13 (4) ◽  
pp. 782
Author(s):  
Na Zhang ◽  
Zijia Wang ◽  
Feng Chen ◽  
Jingni Song ◽  
Jianpo Wang ◽  
...  
Keyword(s):  
Carbon Emissions ◽  
Quantitative Research ◽  
Carbon Emission ◽  
Urban Traffic ◽  
Urban Rail Transit ◽  
Rail Transit ◽  
Low Carbon ◽  
Demand Forecast ◽  
Passenger Demand ◽  
Urban Rail

There are increasing traffic pollution issues in the process of urbanization in many countries; urban rail transit is low-carbon and widely regarded as an effective way to solve such problems. The passenger flow proportion of different transportation types is changing along with the adjustment of the urban traffic structure and a growing demand from passengers. The reduction of carbon emissions brought about by rail transit lacks specific quantitative research. Based on a travel survey of urban residents, this paper constructed a method of estimating carbon emissions from two different scenarios where rail transit is and is not available. This study uses the traditional four-stage model to forecast passenger volume demand at the city level and then obtains the basic target parameters for constructing the carbon emission reduction model, including the trip origin-destination (OD), mode, and corresponding distance range of different modes on the urban road network. This model was applied to Baoji, China, where urban rail transit will be available from 2023. It calculates the changes in carbon emission that rail transit can bring about and its impact on carbon emission reductions in Baoji in 2023.

scholarly journals Optimizing Urban Distribution Routes for Perishable Foods Considering Carbon Emission Reduction

2019 ◽  
Vol 11 (16) ◽  
pp. 4387 ◽  
Author(s):  
Lin ◽  
Zhang ◽  
Wang ◽  
Yang ◽  
Shi ◽  
...  
Keyword(s):  
Carbon Emissions ◽  
Emission Reduction ◽  
Carbon Emission ◽  
Carbon Tax ◽  
Search Algorithm ◽  
Urban Traffic ◽  
Low Carbon ◽  
Carbon Emission Reduction ◽  
Urban Distribution ◽  
The Impact

The increasing demand for urban distribution increases the number of transportation vehicles which intensifies the congestion of urban traffic and leads to a lot of carbon emissions. This paper focuses on carbon emission reduction in urban distribution, taking perishable foods as the object. It carries out optimization analysis of urban distribution routes to explore the impact of low carbon policy on urban distribution routes planning. On the basis of analysis of the cost components and corresponding constraints of urban distribution, two optimization models of urban distribution routes with and without carbon emissions cost are constructed. Fuel quantity related to cost and carbon emissions in the model is calculated based on traffic speed, vehicle fuel quantity and passable time period of distribution. Then an improved algorithm which combines genetic algorithm and tabu search algorithm is designed to solve models. Moreover, an analysis of the influence of carbon tax price is also carried out. It is concluded that in the process of urban distribution based on the actual network information, path optimization considering the low carbon factor can effectively reduce the distribution process of CO2, and reduce the total cost of the enterprise and society, thus achieving greater social benefits at a lower cost. In addition, the government can encourage low-carbon distribution by rationally adjusting the price of carbon tax to achieve a higher social benefit.

scholarly journals Low-carbon design for product packaging: a case study on wineglass

2020 ◽  
Author(s):  
Feng Xu ◽  
Jiao-Jing Pan
Keyword(s):  
Material Processing ◽  
Life Cycle ◽  
Carbon Emissions ◽  
Raw Material ◽  
Low Carbon ◽  
Product Packaging ◽  
Packaging Industry ◽  
The Difference ◽  
Packaging Structure

Abstract The study on carbon emissions in packaging industry is a very important but easily overlooked field. In order to explore carbon emissions of the packaging life cycle, the wineglass is used as the packaging object to discuss the difference between carbon emissions and costs caused by two new packaging structures and a common packaging structure on the market. The measurement boundary includes raw material collection, raw material processing, packaging manufacturing, transportation and end of life. It was found that reasonable packaging structure instead the buffer function of expanded polyethylene can effectively reduce the carbon emissions and costs.

Technology road map for the low-carbon production of hydrocarbons

2020 ◽  
Vol 60 (2) ◽  
pp. 583
Author(s):  
Clare Anderson
Keyword(s):  
Carbon Emissions ◽  
Oil And Gas ◽  
Gas Production ◽  
Low Carbon ◽  
Intergovernmental Panel ◽  
Hydrocarbon Production ◽  
Oil And Gas Production ◽  
Road Map ◽  
Net Zero

The Paris Agreement, signed in 2016, has the objective of limiting the global temperature rise to 1.5°C to substantially reduce the effects of climate change. To achieve this objective, significant and unprecedented deep cuts in carbon emissions are required, as set out in the Intergovernmental Panel on Climate Change’s special report on Global Warming of 1.5°C released in October 2018. To enable this ambitious target, global reductions in carbon emissions will need to be markedly reduced to an average of net zero by 2050 and, as such, will have profound effects on hydrocarbon (oil and gas) production in the coming decades. This paper presents a road map of opportunities for the reduction of carbon emissions from hydrocarbon production, specifically natural gas. It includes technologies for reducing carbon emissions from process streams and utility streams. A case study is used to illustrate the opportunities, along with a discussion on technology readiness for several options.

An Australian Rules Football Club Approach To Green ICT

2011 ◽  
pp. 637-642
Author(s):  
Jeffrey Phuah
Keyword(s):  
Carbon Emissions ◽  
Formal Training ◽  
Low Carbon ◽  
Football Club ◽  
Australian Rules Football ◽  
Green Ict ◽  
Football Industry

This chapter discusses the Green ICT approach of an Australian Rules football club. In the role of their IT Manager, I had the opportunity to undertake formal training and then formulate an approach to uplifting the club’s environmental credentials. This chapter is all about understanding the ICT equipment’s contribution to the overall emissions of the respective clubs and the industry as a whole. As a case study, this chapter starts with how the football industry is addressing the efforts to reduce carbon emissions, considers the potential for IT to be a low-carbon enabler and then applies it to a specific football club.

scholarly journals Development and Evaluation of Simulation-Based Low Carbon Mobility Assessment Models

2021 ◽  
Vol 1 (2) ◽  
pp. 134-153
Author(s):  
Damian Moffatt ◽  
Hussein Dia
Keyword(s):  
City Council ◽  
Assessment Model ◽  
Transport Sector ◽  
Low Carbon ◽  
Passenger Cars ◽  
Mobility Assessment ◽  
Net Zero ◽  
Simulation Based ◽  
Transport Emissions

The transport sector is a significant contributor to global emissions. In Australia, it is the third largest source of greenhouse gases and is responsible for around 17% of emissions with passenger cars accounting for around half of all transport emissions. Governments at all levels have identified a need for a reduction in transport carbon emissions to meet their net zero emissions targets. This research aims to help decision makers estimate the carbon footprint of transport networks within their jurisdictions and evaluate the impacts of emission-reduction interventions, through development of a simulation-based low carbon mobility assessment model. The model was developed based on a framework that integrates multiple mobility components including individual travel preferences, traffic simulation, and an assessment interface to create a seamless tool for the end-user. The feasibility of the assessment model was demonstrated in a case study for a local city council in Melbourne. In one of many scenarios reported in this paper, the model showed that maintaining current levels of emissions would require a 20% reduction in vehicle trips by 2030, and a much larger reduction would be required to reduce the levels of greenhouse gas emissions and achieve desired emissions reduction targets. The paper concludes with recommendations and future directions to extend the model’s capabilities and applications.

scholarly journals Developing a system dynamics approach for CNG vehicles for low-carbon urban transport: a case study

2020 ◽  
Author(s):  
Nima Shamsapour ◽  
Ahmad Hajinezhad ◽  
Younes Noorollahi
Keyword(s):  
Natural Gas ◽  
System Dynamics ◽  
Diesel Fuel ◽  
Co2 Emission ◽  
Urban Transportation ◽  
Urban Transport ◽  
Transport Sector ◽  
Low Carbon ◽  
High Emission

Abstract Today both the economic growth and expansion of urbanization have increased community access to private cars. Thus, the urban transportation has become a critical part of energy consumption and greenhouse gas emissions. The excessive dependence of urban transportation on high-emission fuels is the main obstacle to develop a low-carbon transport. Meanwhile, natural gas is a bridge fuel to develop a low-emission transport. To the best of our knowledge, there has been little attention towards the association between the development of natural gas-fueled vehicles and the CO2 emission. Therefore, the problem we studied is the role of compressed natural gas (CNG) vehicles in replacing high-emission fuels. In this study, we aimed to study this association by selecting the system dynamics approach due to the complexities of the social-economic system of transportation. In this modeling, different subsystems of the transport fleet were employed including CNG vehicles and urban transportation subsystems. Iran has used CNG as an alternative fuel in the transportation sector, making it one of the three leading countries in the use of natural gas in the urban transportation system. Our case study is focused on Tehran, which is the capital and the largest city of Iran. In this paper, we considered several scenarios to replace the gasoline fuel in the private car sector and taxis and diesel fuel in the bus fleet with natural CNG fuel. The results show that the replacement of CNG fuel with high-emission fuels can have a significant effect on reducing CO2 emissions. In the synthetic scenario, CO2 emission will be decreased by 11.42% in 2030, as compared to the business as usual (BAU) scenario in this year. According to Iran’s commitment to the Paris Agreement, the emission of CO2 in Iran should normally be reduced by 4% in 2030, as compared to its amount in the BAU scenario. Therefore, Iran can easily fulfill its obligations in the urban transport sector only by replacing gasoline and diesel fuel with CNG.

Sign in / Sign up

Export Citation Format

Share Document