Science Current Events | Science News | Brightsurf.com
 

Carnegie Mellon researchers urge development of low carbon electricity

April 28, 2008
Low-carbon electricity to power plug-in hybrids

PITTSBURGH-Carnegie Mellon University's Constantine Samaras and Kyle Meisterling report that plug-in hybrid electric vehicles could help reduce greenhouse gas emissions that fuel global warming, but the benefits are highly dependent on how the electricity system changes in the coming decades.

In a recent article in the journal Environmental Science and Technology, the authors urge federal legislators and the electricity industry to increase the deployment of low-carbon electricity technology to power plug-in hybrid vehicles.

"Plug-in hybrids represent an opportunity to reduce oil consumption, leverage next-generation biofuels and reduce greenhouse gas emissions. The types of power plants installed in the next two decades will not only affect how much we can reduce emissions from electricity, but also from vehicles if we plan on plug-in hybrids playing a substantial role," said Samaras, a Ph.D. candidate in Carnegie Mellon's departments of Engineering and Public Policy (EPP) and Civil and Environmental Engineering (CEE).

"We are finding that even when the impacts from producing batteries are included, plug-in hybrids still produce slightly less greenhouse gases than hybrids that run only on gasoline. But plug-in hybrids could cut emissions in half if they are charged with electricity from low-carbon sources," said Meisterling, a Ph.D. candidate in EPP.

Already, automakers have discussed plans to develop plug-in hybrids and California recently ruled that the auto industry must sell nearly 60,000 plug-ins statewide by 2014. With the price of gas heading beyond $4 per gallon, interest in alternative vehicles continues to grow. Samaras and Meisterling also say plug-ins may allow greater use of the limited supply of biofuels because they use a lot less gasoline than regular cars.

The researchers found that life cycle greenhouse gas emissions from plug-in hybrids are about one-third less than a traditional gasoline-powered car. They also argue that with coal-fired electricity, emissions from plug-in hybrids are still lower than traditional cars, but are higher than ordinary hybrids. The call for increased low-carbon electricity supplies comes at a time when the U.S. electricity industry plans to build 154 new coal plants in the next 24 years to replace older plants being phased out.

"The type of power plants we build today will be around for a long time. We need to begin developing policies that allow us to make big dents in oil dependence and greenhouse gas emissions," said Samaras, the recipient of a prestigious Teresa Heinz Fellowship for Environmental Research, which she is using to analyze public policies involving plug-in hybrids and low-carbon electricity.

Additional research support for this project came from the National Science Foundation (NSF) through the Climate Decision Making Center and the Electric Power Research Institute, and from the Alfred P. Sloan Foundation through Carnegie Mellon's Electricity Industry Center.

Carnegie Mellon University


Related Greenhouse Gas Current Events and Greenhouse Gas News Articles


Tiny grains of rice hold big promise for greenhouse gas reductions, bioenergy
Rice serves as the staple food for more than half of the world's population, but it's also the one of the largest manmade sources of atmospheric methane, a potent greenhouse gas.

Greenhouse gas source underestimated from the US Corn Belt, University of Minnesota-led study shows
Estimates of how much nitrous oxide, a significant greenhouse gas and stratospheric ozone-depleting substance, is being emitted in the central United States have been too low by as much as 40 percent, a new study led by University of Minnesota scientists shows.

Wind energy provides 8 percent of Europe's electricity
EU's grid connected cumulative capacity in 2014 reached 129 GW, meeting 8% of European electricity demand, equivalent to the combined annual consumption of Belgium, the Netherlands, Greece and Ireland.

Boosting gas mileage by turning engine heat into electricity
Automakers are looking for ways to improve their fleets' average fuel efficiency, and scientists may have a new way to help them.

Warming slow-down not the end of climate change, study shows
A slow-down in global warming is not a sign that climate change is ending, but a natural blip in an otherwise long-term upwards trend, research shows.

Researchers examine energy use and greenhouse gas emissions in almond production
California-grown almonds dominate the global market, providing over 80% of the world's commercial almonds.

New Ice Age may begin by 2030
The arrival of intense cold similar to the one raged during the "Little Ice Age", which froze the world during the XVII century and in the beginning of the XVIII century, is expected in the years 2030--2040.

Oceans slowed global temperature rise, scientists report
A new study of ocean temperature measurements shows that in recent years, extra heat from greenhouse gases has been trapped in the subsurface waters of the Pacific and Indian oceans, thus accounting for the slowdown in the global surface temperature increase observed during the past decade, researchers say.

Hydroelectric dams drastically reduce tropical forest biodiversity
Widely hailed as 'green' sources of renewable energy, hydroelectric dams have been built worldwide at an unprecedented scale.

Producing fuel from Canada oil sands emits more carbon than from US crude
The production of petroleum from Canada's oil sands is on the rise with much of it destined for U.S. refineries.
More Greenhouse Gas Current Events and Greenhouse Gas News Articles

Reduce Your Carbon Footprint: A Beginners Guide To Reducing Your Greenhouse Gas Emissions (Green Living Series Book 1)

Reduce Your Carbon Footprint: A Beginners Guide To Reducing Your Greenhouse Gas Emissions (Green Living Series Book 1)


Make Your Contribution to a Greener Earth – Reduce Your Carbon Footprint Now
** Get this book by Author Ann M. Colson **

Have you ever wondered how your life has affected the environment that you live in? Have you heard the term ‘Carbon Footprint’ and been unable to understand the concept in its totality? Are you conscious of the fact that your lifestyle could have led to the depletion of resources that are vital to life on this planet?

This book aims to educate readers on the various aspects of Carbon Footprint and help find easy and implementable measures to reduce the impact as far as possible. The objective of this book is to help simplify the scientific jargon and make it easy to understand for everyone so that all readers are able to realize and...

Greenhouse Gas Emissions from International Aviation: Legal and Policy Challenges (Essential Air and Space Law)

Greenhouse Gas Emissions from International Aviation: Legal and Policy Challenges (Essential Air and Space Law)
by Alejandro Piera Valdes (Author)


While the aviation sector has introduced a number of technological and operational measures to curb its greenhouse gas emissions, these will not offset the emissions expected from its projected growth. This book examines the legal framework underlying the international aviation and climate change discourse. It analyzes the suitability of the International Civil Aviation Organization's (ICAO) institutional setting to address climate change and provides a critical assessment of the European Union Emission Trading Scheme. Finally, the book makes several recommendations to facilitate the adoption, implementation, and, ultimately, compliance with the ICAO's global market-based measure scheme to limit greenhouse gas emissions from international aviation. (Series: Essential Air and Space Law...

The Regional Greenhouse Gas Initiative: Lessons Learned and Issues for Policymakers

The Regional Greenhouse Gas Initiative: Lessons Learned and Issues for Policymakers
by Congressional Research Service


The Regional Greenhouse Gas Initiative (RGGI) is the nation’s first mandatory cap-and-trade program for greenhouse gas (GHG) emissions. As of January 1, 2012, RGGI involves nine states—Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New York, Rhode Island, and Vermont. The RGGI cap-and-trade system applies only to carbon dioxide (CO2) emissions from electric power plants with capacities to generate 25 megawatts or more— approximately 168 facilities. The RGGI emissions cap took effect January 1, 2009.

The initial results of the RGGI program may be instructive to policymakers. Several of RGGI’s design elements generated considerable interest during the development and debate of federal proposals to address GHG emissions. In particular, the...

Greenhouse Gas Carbon Dioxide Mitigation: Science and Technology

Greenhouse Gas Carbon Dioxide Mitigation: Science and Technology
by Martin M. Halmann (Author), Meyer Steinberg (Author)


Any mention of the "greenhouse effect" tends to ignite controversy. While the rising atmospheric concentrations of greenhouse gases-especially carbon dioxide- are certainly among the most pressing issues today, theoretical and perceived consequences have been subject to conjecture and misinformation.
That raging debate has obscured an important fact: scientists and engineers are hard at work on methods to reduce CO2 emissions, and devise practical methods for their remediation.
Greenhouse Gas Carbon Dioxide Mitigation: Science and Technology
sheds light on the most recent advancements, documented by two of the world's leading researchers on CO2.
Aware of the complexity and still-unknown factors behind climatic change, the authors consider the need to make CO2 mitigation viable...

Solar Electric Power Generation - Photovoltaic Energy Systems: Modeling of Optical and Thermal Performance, Electrical Yield, Energy Balance, Effect on Reduction of Greenhouse Gas Emissions

Solar Electric Power Generation - Photovoltaic Energy Systems: Modeling of Optical and Thermal Performance, Electrical Yield, Energy Balance, Effect on Reduction of Greenhouse Gas Emissions
by Stefan C.W. Krauter (Author), Franz Alt (Foreword), Hermann Scheer (Foreword)


This book thoroughly examines the technical parameters of photovoltaic systems, and appraises their net energy balance from production, operation and maintenance, to recycling. Similar performance and yield analysis is applied to optical, thermal, and electrical parameters and interfaces. Professor Krauter demonstrates how accurate yield calculations, optimal system performance, and new prototypes aid in cost reduction. Examples, tables and figures are included.

Strategic Bargaining and Cooperation in Greenhouse Gas Mitigations: An Integrated Assessment Modeling Approach

Strategic Bargaining and Cooperation in Greenhouse Gas Mitigations: An Integrated Assessment Modeling Approach
by Zili Yang (Author)


The impact of climate change is widespread, affecting rich and poor countries and economies both large and small. Similarly, the study of climate change spans many disciplines, in both natural and social sciences. In environmental economics, leading methodologies include integrated assessment (IA) and game theoretic modeling, which, despite their common premises, seldom intersect. In Strategic Bargaining and Cooperation in Greenhouse Gas Mitigations, Zili Yang connects these two important approaches by incorporating various game theoretic solution concepts into a well-known integrated assessment model of climate change. This framework allows a more comprehensive...

Greenhouse Gas and Global Warming: a brief insight into what it's all about (A Smattering Of Book 1)

Greenhouse Gas and Global Warming: a brief insight into what it's all about (A Smattering Of Book 1)


Carbon dioxide, methane, nitrous oxide, greenhouse gas and global warming. Does this all sound out of your depth? It did mine. This short two thousand word report will give you enough knowledge to be able to know what your friends or colleagues are talking about and will allow you to contribute a little to the conversation, without being tripped up.

This content looks at the effects of these gases on our planet and why they are referred to as greenhouse gases. It’s knowledge worth having, without going over the top and can help you understand our world of today and its needs.

Good reading!


Greenhouse Gas Sinks

Greenhouse Gas Sinks
by David Reay (Author), Nick Hewitt (Author), Keith A Smith (Author), John Grace (Author)


Bringing together leading researchers from around the world this book reviews how vegetation and soils act as naturally occurring buffers which use up the gases responsible for global warming and the greenhouse effect. It provides in-depth information on the importance of these sinks, how they may respond to increased greenhouse gas emissions, how we can protect them and how they can help us mitigate climate change.


Slaying the Sky Dragon - Death of the Greenhouse Gas Theory

Slaying the Sky Dragon - Death of the Greenhouse Gas Theory
by John O'Sullivan (Author), Hans Schreuder (Author), Claes Johnson (Author), Alan Siddons (Author), Martin Hertzberg (Author), Joseph Olson (Author), Charles Anderson (Author), Tim Ball (Author)


Experts from around the world challenge...and defeat...the well-accepted and completely incorrect theory of man-made global warming via carbon dioxide emissions. In an easy-to-read and thorough treatment, all aspects of the earth's radiative balance are discussed.

Climate Change Mitigation: Greenhouse Gas Reduction and Biochemicals

Climate Change Mitigation: Greenhouse Gas Reduction and Biochemicals
by Jimmy Alexander Faria Albanese (Editor), M. Pilar Ruiz (Editor)


Climate change is a significant threat to humanity's future. Culturally, politically, economically, and personally, however, we are all deeply embedded in a system that continues to send us on a collision course that leads directly toward this threat. At this point, climate change is inevitable. What we must do now is to find ways to prepare―and do all we can to slow our race to disaster. This means that a transition to a lower-carbon economy is unavoidable. Biochemical research is vitally necessary for the transition we must make, and it will be an essential component of any climate policy. To that end, the editors have collected within this compendium the most recent and relevant research in this field. Included are: Initial chapters explaining climate change impact and...

© 2015 BrightSurf.com