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Sustainable Production Of Bioenergy From Agricultural And Food Waste, Stéphanie Jung 2017 Iowa State University

Sustainable Production Of Bioenergy From Agricultural And Food Waste, Stéphanie Jung

Stéphanie Jung

This project will determine the potential of pre- and post-consumer waste collected from ISU Dining for bioethanol production. The investigator will gather data about the quantity and composition of these wastes and how much energy could be produced.


Impact On Merchant Refiners And Blenders From Changing The Rfs Point Of Obligation, Bruce A. Babcock, Gabriel E. Lade, Sébastien Pouliot 2017 Iowa State University

Impact On Merchant Refiners And Blenders From Changing The Rfs Point Of Obligation, Bruce A. Babcock, Gabriel E. Lade, Sébastien Pouliot

Sebastien Pouliot

The Environmental Protection Agency has proposed to deny a request to move the point of obligation under the Renewable Fuel Standard (RFS) from oil refiners to fuel blenders. Supporters of the request argue that those refiners who do not have the fuel blending capabilities of large, integrated oil companies are in danger of going out of business due to their need to buy RINs (Renewable Identification Numbers) to show compliance with the RFS. We demonstrate that this claim is false and that moving the point of obligation would have no impact on refiner profits. The key point that is neglected ...


Estimating Willingness To Pay For E85 In The United States, Kenneth Liao, Sébastien Pouliot, Bruce A. Babcock 2017 Iowa State University

Estimating Willingness To Pay For E85 In The United States, Kenneth Liao, Sébastien Pouliot, Bruce A. Babcock

Sebastien Pouliot

Meeting US ethanol blending mandates proposed by the Environmental Protection Agency will require a substantial number of motorists with flex-fuel vehicles to switch from low ethanol-gasoline blends to high ethanol-gasoline blends. The lower the willingness to pay for high-ethanol blends, the greater the cost of complying with the proposed mandates. Existing estimates of the willingness to pay for high-ethanol blends use data from Brazil (where consumers have knowledge of and experience with high-ethanol blends), data generated when retail prices greatly favored low-ethanol blends, or stated data collected from mail and online surveys. To obtain more accurate estimates of US willingness ...


Greenhouse Gas Impacts Of Ethanol From Iowa Corn: Life Cycle Analysis Versus System-Wide Accounting, Hongli Feng, Ofir D. Rubin, Bruce A. Babcock 2017 Iowa State University

Greenhouse Gas Impacts Of Ethanol From Iowa Corn: Life Cycle Analysis Versus System-Wide Accounting, Hongli Feng, Ofir D. Rubin, Bruce A. Babcock

Hongli Feng

Life cycle analysis (LCA) is the standard approach used to evaluate the greenhouse gas (GHG) benefits of biofuels. However, it is increasingly recognized that LCA results do not account for some impacts—including land use changes—that have important implications on GHGs. Thus, an alternative accounting system that goes beyond LCA is needed. In this paper, we contribute to the literature by laying out the basics of a system-wide accounting (SWA) method that takes into account all potential changes in GHGs resulting from biofuel expansion. We applied both LCA and SWA to assess the GHG impacts of ethanol based on ...


Is Corn Ethanol A Low-Carbon Fuel?, Bruce A. Babcock, Ofir Rubin, Hongli Feng 2017 Iowa State University

Is Corn Ethanol A Low-Carbon Fuel?, Bruce A. Babcock, Ofir Rubin, Hongli Feng

Hongli Feng

Reports of disappearing glaciers, shrinking arctic ice, rising sea levels, stronger hurricanes, and unprecedented European heat waves combined with an inexorable buildup in atmospheric carbon dioxide levels is increasing pressure on governments to respond with new greenhouse gas initiatives. California and other states are providing policy leadership in the United States


Impacts Of Ethanol On Planted Acreage In Market Equilibrium, Hongli Feng, Bruce A. Babcock 2017 Iowa State University

Impacts Of Ethanol On Planted Acreage In Market Equilibrium, Hongli Feng, Bruce A. Babcock

Hongli Feng

Land use impacts of biofuel expansion have attracted a tremendous amount of attention because of the implications for the climate, the environment, and the food supply. To examine these impacts, we set up an economic framework that links input use and land allocation decisions with ethanol and agricultural commodity markets. Crops can be substitutes or complements in supply depending on the relative magnitude of three effects of crop prices: total cropland effect, land share effect, and input use effect. We show that with unregulated free markets, total cropland area increases with corn prices whether crops are substitutes or complements in ...


Fossil Fuel Asset Risk Analysis: Clark University Endowment, Travis A. Dodge, B. Maiwand Akbari 2017 Clark University

Fossil Fuel Asset Risk Analysis: Clark University Endowment, Travis A. Dodge, B. Maiwand Akbari

Student Works

The environmental and social risks of climate change are well known and perhaps inevitable. The economic and financial risks are less so. The many financial risks associated with climate change embedded in endowment portfolio fossil fuel holdings are leading many institutional stakeholders to enter into dialogue and take action. Divestment is emerging as an effective strategy for limiting portfolio exposure and tackling climate change itself.

Our team’s goals were to assess whether the Clark University endowment portfolio faces any of these risks and evaluate the impacts on asset values. Our findings show that the Clark endowment does face these ...


Economic Evaluation Of Coastal Land Loss In Louisiana, Stephen R. Barnes, Craig Bond, Nicholas Burger, Kate Anania, Aaron Strong, Sarah Weilant, Stephanie Virgets 2017 Louisiana State University

Economic Evaluation Of Coastal Land Loss In Louisiana, Stephen R. Barnes, Craig Bond, Nicholas Burger, Kate Anania, Aaron Strong, Sarah Weilant, Stephanie Virgets

Journal of Ocean and Coastal Economics

Louisiana has lost approximately 1,880 square miles of land over the past eighty years. Projections suggest that in a future without action, the next fifty years could result in the loss of 1,750 additional square miles of land area. As land loss continues, a large portion of the natural and man-made capital stocks of coastal Louisiana will be at greater risk of damage, either from land loss or from the associated increase in storm damage. We estimate the replacement cost of capital stock directly at risk from land loss ranges from approximately $2.1 billion to $3.5 ...


Research Needs And Challenges In The Few System: Coupling Economic Models With Agronomic, Hydrologic, And Bioenergy Models For Sustainable Food, Energy, And Water Systems, Catherine L. Kling, Raymond W. Arritt, Gray Calhoun, David A. Keiser, John M. Antle, Jeffery G. Arnold, Miguel Carriquiry, Indrajeet Chaubey, Peter Christensen, Baskar Ganapathysubramanian, Philip Gassman, William Gutowski, Thomas W. Hertel, Gerritt Hoogenboom, Elena Irwin, Madhu Khanna, Pierre Mérel, Daniel J. Phaneuf, Andrew Plantinga, Stephen Polasky, Paul Preckel, Sergey Rabotyagov, Ivan Rudik, Silvia Secchi, Aaron Smith, Andrew VanLoocke, Calvin Wolter, Jinhua Zhao, Wendong Zhang 2017 Iowa State University

Research Needs And Challenges In The Few System: Coupling Economic Models With Agronomic, Hydrologic, And Bioenergy Models For Sustainable Food, Energy, And Water Systems, Catherine L. Kling, Raymond W. Arritt, Gray Calhoun, David A. Keiser, John M. Antle, Jeffery G. Arnold, Miguel Carriquiry, Indrajeet Chaubey, Peter Christensen, Baskar Ganapathysubramanian, Philip Gassman, William Gutowski, Thomas W. Hertel, Gerritt Hoogenboom, Elena Irwin, Madhu Khanna, Pierre Mérel, Daniel J. Phaneuf, Andrew Plantinga, Stephen Polasky, Paul Preckel, Sergey Rabotyagov, Ivan Rudik, Silvia Secchi, Aaron Smith, Andrew Vanloocke, Calvin Wolter, Jinhua Zhao, Wendong Zhang

David A. Keiser

On October 12–13, a workshop funded by the National Science Foundation was held at Iowa State University in Ames, Iowa with a goal of identifying research needs related to coupled economic and biophysical models within the FEW system. Approximately 80 people attended the workshop with about half representing the social sciences (primarily economics) and the rest from the physical and natural sciences. The focus and attendees were chosen so that findings would be particularly relevant to SBE research needs while taking into account the critical connectivity needed between social sciences and other disciplines. We have identified several major gaps ...


Analysis Of Solar Community Energy Storage For Supporting Hawaii's 100% Renewable Energy Goals, Erin Takata 2017 The University of San Francisco

Analysis Of Solar Community Energy Storage For Supporting Hawaii's 100% Renewable Energy Goals, Erin Takata

Master's Projects and Capstones

Solar PV generation has become an integral part of the renewable energy industry. With state-level, renewable portfolio standards in place, solar power demand has substantially increased and become a competitive and economically viable energy solution throughout the world. Hawaii has one of the most aggressive renewable portfolio standards with a goal of 100 percent renewable generation by 2045. However, there are challenges that are preventing the growth of the solar PV market in Hawaii including equal accessibility to solar power and solar power overloading causing grid instability. With Hawaii’s high annual solar radiation, PV generation could play a significant ...


California Public Electric Vehicle Charging Stations’ Accessibility To Amenities: A Gis Network Analysis Approach, Jeremy Yun Li Chen 2017 University of San Francisco

California Public Electric Vehicle Charging Stations’ Accessibility To Amenities: A Gis Network Analysis Approach, Jeremy Yun Li Chen

Master's Projects and Capstones

In California, the number of electric vehicles (EVs) on the roads has been increasing over the past several years. As EVs continue to grow, additional electric vehicle charging stations (EVCSs) will be needed for EV drivers to utilize. However, before implementing EVCSs in the public, there are various criteria that need to be considered. One of these criteria is public EVCSs’ accessibility to amenities. When people are charging their EVs that require a significant amount of waiting time, having amenities nearby will provide them with the option to spend their time efficiently on worthwhile activities. To understand the accessibility of ...


Examining The Effects Of Policy Interventions On Increasing Electric Vehicle Adoption In California, Ethan G. McDermott 2017 University of San Francisco

Examining The Effects Of Policy Interventions On Increasing Electric Vehicle Adoption In California, Ethan G. Mcdermott

Master's Projects and Capstones

Any significant effort to reduce global emissions of greenhouse gasses must address the growing concern of the transportation sector’s inability to meaningfully reduce its emissions contribution. A major shift in the primary fuel used in the sector away from petroleum-based fuel to electricity is one potential way the sector can lower its emissions and transition into a sustainable future. However, a number of barriers face the electric vehicle market, including competing against an already mature vehicle market, battling consumer preferences, and overcoming technical challenges. This paper examines several policy proposals to combat these barriers and examines the impact similar ...


انتصاب ۱۳۹۶, Sajjad Khaksari 2017 Politecnico di Torino

انتصاب ۱۳۹۶, Sajjad Khaksari

SAJJAD KHAKSARI

به مدد «بی بی»سی اش ملت را به ترس از «رئیس» هیئت مرگ اش گرفت تا به «تب»‌ روحانی بنفشی اش راضی شوند. حسن روحانی که در کارنامه اش جز خدمت تام و تمام در تمام عرصه های عملیاتی و مناظراتی تسلیحاتی و امنیتی در دوران خمینی و خامنه ای، نداشته و ندارد امروز ۲۹ اردیبهشت ۱۳۹۶ هجری شمسی، باری دیگر ملتی را که شجاعت «نه» گفتن به ناقشنگی مطلق را ندارد، به پای صندوق های انتصاب اش کشید

آه! ای ملت


Sub 2 Nm Particle Characterization In Systems With Aerosol Formation And Growth, Yang Wang 2017 Washington University in St. Louis

Sub 2 Nm Particle Characterization In Systems With Aerosol Formation And Growth, Yang Wang

Engineering and Applied Science Theses & Dissertations

Aerosol science and technology enable continual advances in material synthesis and atmospheric pollutant control. Among these advances, one important frontier is characterizing the initial stages of particle formation by real time measurement of particles below 2 nm in size. Sub 2 nm particles play important roles by acting as seeds for particle growth, ultimately determining the final properties of the generated particles. Tailoring nanoparticle properties requires a thorough understanding and precise control of the particle formation processes, which in turn requires characterizing nanoparticle formation from the initial stages. The knowledge on particle formation in early stages can also be applied ...


Wind Energy Conversion By Plant-Inspired Designs, Michael A. McCloskey, Curtis L. Mosher, Eric R. Henderson 2017 Iowa State University

Wind Energy Conversion By Plant-Inspired Designs, Michael A. Mccloskey, Curtis L. Mosher, Eric R. Henderson

Eric Henderson

In 2008 the U.S. Department of Energy set a target of 20% wind energy by 2030. To date, induction-based turbines form the mainstay of this effort, but turbines are noisy, perceived as unattractive, a potential hazard to bats and birds, and their height hampers deployment in residential settings. Several groups have proposed that artificial plants containing piezoelectric elements may harvest wind energy sufficient to contribute to a carbon-neutral energy economy. Here we measured energy conversion by cottonwood-inspired piezoelectric leaves, and by a “vertical flapping stalk”—the most efficient piezo-leaf previously reported. We emulated cottonwood for its unusually ordered, periodic ...


Water-Energy Sector Collaboration In The United States: Benefits, Barriers, And Climate-Change Implications, Cassandra J. Osterhoudt 2017 Clark University

Water-Energy Sector Collaboration In The United States: Benefits, Barriers, And Climate-Change Implications, Cassandra J. Osterhoudt

International Development, Community and Environment (IDCE)

The purpose of this report is to examine the impact of the water-energy nexus in the United States, and identify opportunities for increased collaboration between water and energy utilities. Through reviewing the regulatory history of both sectors, I explore how regulations on utilities align with the Porter Hypothesis, and the impacts the water-energy nexus will have moving forward, including under climate-change scenarios. The extent of collaboration between sectors has been relatively limited to states with progressive energy and water efficiency policies. This report identifies existing barriers and benefits to collaboration, and utilizes two case studies; California and Massachusetts. Results are ...


Pine Needle Pyrolysis: Bio-Waste Into Biofuel, Alexandra Fuentes 2017 Dominican University of California

Pine Needle Pyrolysis: Bio-Waste Into Biofuel, Alexandra Fuentes

Scholarly & Creative Works Conference 2017

This project explores the alternate uses of biomass. In particular, it focuses on pine needles as a source for biofuels. Pine needles are of interest because in certain Mountain communities they are collected and removed from residential properties. By removing the pine needles, communities create a “defensible space” to prevent wild fires from destroying homes. These needles are often placed in regional landfills. The South Tahoe Refuse and Recycling Services alone has more than 4,340 tons of pine needles dumped at their facility annually. This large amount of biomass can be a potential energy source.

The focus of this ...


Survey Says . . . ? An Argument For More Frontloaded Ferc Public Use Provider Determinations As A Means Of Streamlining The Commission S Regulatory Role Over Interstate Natural Gas Pipeline Operators, Christopher Earle 2017 College of William & Mary Law School

Survey Says . . . ? An Argument For More Frontloaded Ferc Public Use Provider Determinations As A Means Of Streamlining The Commission S Regulatory Role Over Interstate Natural Gas Pipeline Operators, Christopher Earle

William & Mary Environmental Law and Policy Review

No abstract provided.


A “Green” Approach To Hedge Fund Regulation And Reform, Matthew Keehn 2017 College of William & Mary Law School

A “Green” Approach To Hedge Fund Regulation And Reform, Matthew Keehn

William & Mary Environmental Law and Policy Review

No abstract provided.


Optimization And Performance Study Of Select Heating Ventilation And Air Conditioning Technologies For Commercial Buildings, Rajeev Kamal 2017 University of South Florida

Optimization And Performance Study Of Select Heating Ventilation And Air Conditioning Technologies For Commercial Buildings, Rajeev Kamal

Graduate Theses and Dissertations

Buildings contribute a significant part to the electricity demand profile and peak demand for the electrical utilities. The addition of renewable energy generation adds additional variability and uncertainty to the power system. Demand side management in the buildings can help improve the demand profile for the utilities by shifting some of the demand from peak to off-peak times.

Heating, ventilation and air-conditioning contribute around 45% to the overall demand of a building. This research studies two strategies for reducing the peak as well as shifting some demand from peak to off-peak periods in commercial buildings:

1. Use of gas heat ...


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