Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 128 for “"emissions reduction"”.
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Methods for particulate matter emissions reduction in wood burning cookstoves
About 3 billion people cook by burning biomass. Most use inefficient cooking technologies that lead to high levels of domestic air pollution. This results in tremendous damages to human and environmental health. For example, in 2012 the World Health Organization estimated that 4.3 million people …
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Modeling hybrid-electric regional jet aircraft performance & emissions reduction potential
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Modeling and control of airport departure processes for emissions reduction
… contribute significantly to the fuel burn and emissions at airports. This thesis investigates the possibility of reducing fuel burn and emissions from surface operations through a reduction of the taxi times of departing aircraft. Data analysis of the departing traffic in four major US airports …
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CO₂ emissions reduction potential of aviation biofuels in the US
… as a means to reduce carbon dioxide (CO₂) emissions from US aviation, but the magnitude of the possible reduction has not been quantified. This scenario-based analysis quantifies the life cycle greenhouse gas (GHG) mitigation potential of aviation biofuels in 2050 within the US. Projected …
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Oxide etching with NF₃ hydrocarbon chemistries for global warming emissions reduction
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Meeting A Community’s Emissions Reduction Targets Using Urban Building Energy Modeling
… around the world are striving to meet aggressive emissions reduction targets in a short time frame. This paper lays out a six-step process using urban building energy modeling to identify a combination of building energy efficiency upgrades and renewable energy deployment strategies that meet …
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Electricity generation and emissions reduction decisions under uncertainty : a general equilibrium analysis
… for approximately 40% of U.S. carbon dioxide emissions, will be a critical component of any policy the U.S. government pursues to confront climate change. In the context of uncertainty in future policy limiting emissions and future technology costs, society faces the following question: What …
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Energy use and emissions reduction strategies for structural steel fabricators: a case study
… limited research exists on the energy use and emissions associated with fabrication and material sourcing for structural steel used in building construction. This research involves a life-cycle inventory assessment of structural members used in a case-study building to address this gap in …
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Run-Time HEV Engine-Generator Power-Speed Optimization for Fuel Consumption and Emissions Reduction
<p>As fuel economy and emissions standards become more stringent, Plug-in Hybrid Electric Vehicles (PHEV) using series architectures are being increasingly explored. Due to the decoupling of the Internal Combustion Engine (ICE) from the road, the primary control challenge in this architecture is …
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Sensing, Actuation, and Embedded Control for a Custom SCR Nitrogen Oxides Emissions Reduction System
… Despite advantages of diesel engines, diesel emissions include harmful gasses like carbon monoxide, nitrogen oxides and particulate matter. Selective Catalytic Reduction (SCR) systems have long been used to reduce diesel emissions from medium to heavy-duty diesel engines. Primary focus of this …
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Automobiles and global warming : alternative fuels and other options for carbon dioxide emissions reduction
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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Modeling technology pathways and retrofit adoption to achieve city-wide building emissions reduction goals
Achieving net zero emissions from buildings by 2050 is an unprecedented challenge that will require an all-in effort at local, state, federal, and international levels. The exact path to reach this goal in existing buildings varies widely from one community to another. Thus local planning efforts …
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Multi-Modal Transit Time Prediction for E-Commerce Fulfillment Optimization and Carbon Emissions Reduction
… facing the urgent challenge of reducing carbon emissions to limit global warming to levels considered safe by climate scientists. A global sportswear retailer is investing in improving the digital consumer experience while meeting its aggressive 2030 carbon reduction goals. This work studies how …
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Does GRID Alternatives Impact Greenhouse Gas Emissions Reduction Targets in Central Coast Climate Action Plans?
… 103 metric tons of carbon (MT CO<sub>2</sub>e) emissions reduction for the climate action plans’ <em>Energy</em> or <em>Renewable Energy</em> c<em>limate action measures</em> that pertain to solar electric installations in the cities of: Arroyo Grande, Atascadero, Paso Robles, and San Luis …
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The role of innovative financing in promoting sustainable emissions reduction in the oil and gas industry
… environmental policies for the sustainable reduction of greenhouse gas (GHG) emissions in the oil and gas industry. A sustainable reduction of GHG emissions entails the reduction of carbon dioxide (CO2) emissions without necessarily resulting in negative implications for the economic …
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Real-Time Optimization Based Power Flow Controller for Energy Consumption and Emissions Reduction in a Parallel HEV
<p>As the regulations on the fuel economy and emissions standards become higher, Hybrid Electric Vehicles (HEV) are gaining more popularity in the market. HEVs improvements in fuel economy and emissions strongly depend on the energy management strategy. An optimization based power flow controller …
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Emissions reduction benefits of adapting electronic closed loop fueling control on a mechanically controlled spark-ignited engine
Recent government gaseous exhaust emissions regulations have been expanded to include a variety of mobile air pollution sources. Exhaust emissions from non-road engines have recently become a focus of Environmental Protection Agency (EPA) regulations. The term "non-road engines" covers many …
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An analysis of the performance of certification schemes in the hotel sector in terms of CO2 emissions reduction.
… the impact of global tourism on climate change, emissions from transport receive the most attention although emissions associated with accommodation account for more than 20% of the total. A plethora of hotel certification schemes have been established worldwide that assess various environmental …
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The potential carbon dioxide emissions reduction when energy service interventions are applied to the current subsidised housing demand
… housing in reducing carbon dioxide (CO₂) emissions in South Africa. Climate change is an occurring event and is largely caused by human activities, such as the production of energy from fossil fuels (NRC, 2010). Buildings are seen as one of the highest consuming sectors of energy and …
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Do Investors React Differently to Interim Target Disclosures for Emissions Reduction Goals Depending on the Difficulty of the Target?
… disclosures for firms disclosing long-term emissions reduction goals. I examine how interim target disclosure affects investors’ perceptions of a firm’s commitment to its long-term emissions reduction goal and subsequent investment decisions. I predict that the difficulty of the interim …
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