Green Car Congress

JULY 13, 2019

Efforts to shift away from fossil fuels and replace oil and coal with renewable energy sources can help reduce carbon emissions but do so at the expense of increased inequality, according to a new study by researchers at Portland State University (PSU) and Vanderbilt University. —Julius McGee. —Julius McGee.

Renewable 292

Renewable Energy Portland Climate Change 292

Green Car Congress

AUGUST 15, 2019

Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. The annual averages of ozone levels in study areas were between about 10 and 25 ppb.

Pollution 223

Pollution Ozone Washington Universal 223

Green Car Congress

AUGUST 23, 2021

Researchers at Monash University in Australia have conducted a lifecycle analysis and net energy analysis (LCA/NEA) of a hypothetical large-scale solar-electrolysis plant for the production of green hydrogen. The open-access paper on the study is published in the RSC journal Energy & Environmental Science. Palmer et al.

Solar 459

Solar Hydrogen Emissions Production 459

Green Car Congress

APRIL 15, 2019

Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). coal, oil, natural gas, and biomass). —Schnell et al. Schnell, Vaishali Naik, Larry W. 2019.04.003.

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Conversion Jordan Ozone Coal 281

Green Car Congress

JUNE 27, 2017

According to a new study led by a team at Duke University, airborne particulate matter and dust are cutting solar photovoltaic energy output by more than 25% in certain parts of the world, with roughly equal contributions from ambient PM and PM deposited on photovoltaic surfaces. —Michael Bergin. —Michael Bergin.

Solar 218

Solar Energy Global Production 218

Green Car Congress

APRIL 21, 2011

Scientists from the US, Norway, Russia, Germany, Italy and China are participating in a study examining the potential role of black carbon, or soot, on the rapidly changing Arctic climate. The Arctic climate is changing faster than some scientists expected. The study will run through 15 May out of Svalbard, Norway.

Climate 199

Climate International Ozone Norway 199

Green Car Congress

OCTOBER 18, 2011

million in grants to eight universities in support of black carbon research. Black carbon can affect the climate in the near term, and like other types of fine particles, can cause serious health effects such as cardiovascular and respiratory ailments. The US Environmental Protection Agency (EPA) has awarded more than $6.6

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Universal Carbon EPA Iowa 231

Teslarati

MARCH 4, 2022

Ford and University of Michigan researchers conducted a new study that evaluated the savings in greenhouse gas emissions in battery-electric pickup trucks relative to gas-powered pickups. It also assessed the reductions in other light-duty vehicles when compared to their gas-powered counterparts.

Ford 98

Ford Gas F-150 Gas-Electric 98

Green Car Congress

JUNE 30, 2011

How people choose to consume resources and use contraception influences their responses to climate change, according to a new study by a team of psychologists. In one study on carpooler explanations for driving choices, the researchers noted that prior to the existence of carpool lanes commuters said carpooling was too expensive.

Climate Change 186

Climate Change Climate Nepal Environment 186

Green Car Congress

MAY 15, 2017

A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. For light-duty vehicles, such as passenger cars, trucks, and vans, the European Union produced nearly 70% of the excess diesel nitrogen oxide emissions.

Diesel 230

Diesel International Emissions Ozone 230

Green Car Congress

JUNE 14, 2013

In California, reductions in emissions of black carbon since the late 1980s—mostly from diesel engines as a result of air quality programs—have resulted in a measurable reduction of concentrations of global warming pollutants in the atmosphere, according to a study examining the impact of black carbon on California’s climate.

Carbon 268

Carbon California Diesel Global 268

Green Car Congress

JULY 23, 2018

Policies to entice consumers away from fossil-fuel powered vehicles and normalize low carbon, alternative-fuel alternatives, such as electric vehicles, are vital if the world is to significantly reduce transport sector carbon pure-emissions, according to a new study. —David McCollum. Nature Energy doi: 10.1038/s41560-018-0195-z.

Carbon 231

Carbon Market Alternative Fuels Vehicles 231

Green Car Congress

MAY 25, 2010

A study by researchers at Lund University in Sweden found that Swedish biofuels produce between 65 and 148% less greenhouse gas emissions than gasoline and diesel, even when direct and indirect land use changes are taken into account. Pål Börjesson, researcher in Environment and Energy Systems at Lund University.

Climate 170

Climate Waste Climate Change Sweden 170

Green Car Congress

FEBRUARY 9, 2018

The Steel Recycling Institute (SRI), a business unit of the American Iron and Steel Institute, released a peer-reviewed study that examines the overall environmental impact of vehicle lightweighting using advanced high-strength steel (AHSS) compared with aluminum. Source: SRI. Click to enlarge. Click to enlarge.

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Emissions North America 2016 SUV 207

Green Car Congress

JULY 3, 2015

For the study, the researchers benchmarked 27 scenarios against a 50% petroleum-reduction target and an 80% GHG-reduction target. The implication for biofuels is important, to the extent they are aimed at meeting climate and petroleum use reduction goals. The paper is published in the ACS journal Environmental Science & Technology.

Carbon 150

Carbon EPRI Gasoline-Electric Climate 150

Green Car Congress

JULY 14, 2016

is black carbon (BC)—a pollutant with large positive radiative forcing on the climate due to its ability to absorb incoming sunlight and reduce surface albedo on snow. A new study by a team at the University of Toronto has made a preliminary assessment of the climate trade-off (i.e., mpg (10.99

Climate 150

Climate Engine Carbon Fuel Economy 150

Green Car Congress

MAY 23, 2022

An international team of researchers has shed light on one way new particles are forming in the upper troposphere. The open-access study , published in Nature , reveals an unexpected volatile reaction between nitric acid, sulfuric acid, and ammonia, synergistically creating new particles at a rapid rate. —Mingyi Wang.

Emissions 186

Emissions Climate Pollution Climate Change 186

Green Car Congress

MAY 13, 2011

Illustration of the steps in an iterative risk management approach for addressing climate change. From: America’s Climate Choices. This trend cannot be explained by natural factors such as internal climate variability or changes in incoming energy from the sun. Click to enlarge. Earlier post.).

Climate Change 199

Climate Change Climate America Emissions 199

Green Car Congress

MARCH 12, 2011

In response to the measured and projected effects of climate change, US naval forces—i.e., In response to the Chief of Naval Operations (CNO), the National Research Council appointed a committee operating under the auspices of the Naval Studies Board to study the national security implications of climate change for US naval forces.

Climate Change 324

Climate Change Climate Mariner Future 324

Green Car Congress

JANUARY 14, 2011

Scientists have taken a major step toward accurately determining the amount of energy that the sun provides to Earth, and how variations in that energy may contribute to climate change. W m -2 established in the 1990s, which energy balance calculations and climate models currently use. —Kopp and Lean.

Climate Change 199

Climate Change Climate Solar Colorado 199

Green Car Congress

MARCH 9, 2016

Rice University researchers have determined a more effective way to use natural gas to reduce climate-warming emissions would be in the replacement of existing coal-fired power plants and fuel-oil furnaces rather than burning it in cars and buses. —Cohan and Sengupta (2016).

Gas-Electric 150

Gas-Electric Gas Transportation Coal 150

Green Car Congress

AUGUST 28, 2019

Assessments of GHG emissions from light-duty vehicles should take a cradle-to-grave life cycle perspective and capture important regional effects. We report the first regionally explicit (county-level) life cycle assessment of the use of lightweighting and electrification for light-duty vehicles in the U.S. —Wu et al.

MIT 236

MIT Ford Vehicles Gasoline-Electric 236

Green Car Congress

NOVEMBER 27, 2011

Institute of International Studies, University of. This transformation, they write, which poses challenges and opportunities for economic growth and climate policy, demands technologies that are not yet commercialized and coordination of investment, technology development, and infrastructure deployment. Laboratory. efficiency.

Climate 262

Climate California Fuel Emissions 262

Green Car Congress

JANUARY 12, 2013

emissions are less important because of the low contribution of light duty vehicles to national PM 10 and PM 2.5 The preferred fuel path(s) will depend to a great extent on their climate and environmental performance, which is of national concern. Consumption-based power mixes and NG transmission distances by Chinese province in 2010.

Coal 231

Coal Pollution China Gas 231

Green Car Congress

FEBRUARY 20, 2011

This study measured a comprehensive set of emissions relevant to AQ [air quality] (PM 2.5 and its major components organic carbon (OC) and elemental carbon (EC), CO, THC, NO x ) and climate change (CO 2 , CH 4 , OC, EC, CO, and NMHC) from a sample of in-use auto-rickshaws representing the on-road fleet in Delhi. g kg -1 (6.2-26.7))

Gasoline 287

Gasoline Emissions Fuel India 287

Green Car Congress

APRIL 4, 2012

The variation in performance among the five ICs tested in this study should raise caution about IC assumptions and terminology, particularly as some so-called “improved” stoves in the natural draft category may at times perform even worse than a traditional mud cookstove.

Pollution 231

Pollution Carbon San Diego Los Angeles 231

Green Car Congress

FEBRUARY 19, 2010

A new study by led by Nadine Unger at NASA’s Goddard Institute for Space Studies (GISS) that analyzes the net climate impacts of emissions from economic sectors rather than by individual chemical species has found that on-road transportatation is and will be the greatest net contributor to atmospheric warming now and in the near term.

Transportation 391

Transportation Climate Change Powered Power 391

Green Car Congress

AUGUST 22, 2019

The analysis is an update of a study published in 2016. to 23.3%), a decrease for cars and light trucks (from 63.1% to 6.8%), an increase for cars and light trucks (from 15.2% Also of interest were the changes in the relative contributions of various transportation modes, both to transportation emissions and to total emissions.

Emissions 278

Emissions Gas 2017 EPA 278

Green Car Congress

AUGUST 26, 2014

Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and a major climate-forcing emission. Air pollution mitigation efforts focusing on reducing combustion pollution are likely to have major benefits for climate and human health.

Carbon 275

Carbon Emissions Motors Motor 275

Green Car Congress

MARCH 9, 2021

It was the first time this approach—known as “scientific machine learning”—has been applied to battery cycling, said Will Chueh, an associate professor at Stanford University and investigator with the Department of Energy’s SLAC National Accelerator Laboratory who led the study. —Will Chueh.

MIT 236

MIT Insight Lithium Ion Batteries 236

Green Car Congress

JUNE 30, 2009

Particulate pollution thought to be holding climate change in check by reflecting sunlight instead enhances warming when combined with airborne soot, according to a new study by researchers at the University of California, San Diego. Soot, also called black carbon, absorbs solar energy. times over pure soot particles.

Climate 150

Climate San Diego Climate Change Light 150

Green Car Congress

JULY 18, 2010

From: Geoengineering the Climate (2009) Click to enlarge. million) in funding to the project SPICE (Stratospheric Particle Injection for Climate Engineering). Geoengineering and its consequences are the price we may have to pay for failure to act on climate change.”. Earlier post.). How do we deliver it there?

Climate 199

Climate Engine Ozone Solar 199

Green Car Congress

MARCH 13, 2009

Researchers at the University of Maryland and the University of Texas, Austin, have created a database that includes visibility measurements taken from 1973 - 2007 at 3,250 meteorological stations all over the world and released by the National Climatic Data Center (NCDC). University of Maryland Visibility Database.

Climate 150

Climate Climate Change Maryland 2007 150

Green Car Congress

OCTOBER 9, 2014

The Global Climate and Energy Project (GCEP) at Stanford University has awarded $10.5 The goal of this project is to develop a hybrid perovskite-silicon solar cell that significantly improves the light-to-energy conversion efficiency of conventional cells. Light trapping in high?efficiency,

Renewable 225

Renewable Solar Zinc Air Fuel 225

Cars That Think

MARCH 12, 2024

Explaining how blockchain and aerodynamics work One of the winners was IEEE Member Carolyn Sher-DeCusatis , who teaches software engineering at Western Governors University , in Salt Lake City. Confronting climate change and cybersecurity threats The other four winning comics cover artificial intelligence, climate change, and cybersecurity.

Climate Change 123

Climate Change Climate United Kingdom Engine 123

Green Car Congress

APRIL 9, 2016

A US-wide county-level study comparing lifecycle greenhouse gas (GHG) emissions from several light-duty passenger gasoline and plug-in electric vehicles (PEVs) has found that PEVs can have larger or smaller carbon footprints than gasoline vehicles depending on regional factors and the specific vehicle models being compared.

Gasoline 150

Gasoline Plug-in Prius Plug 150

Green Car Congress

MARCH 22, 2018

The University of Bremen is the scientific base of the international project known as EMeRGe (Effect of Megacities on the transport and transformation of pollutants on the Regional and Global scales). Previously, the researchers studied European conurbations from the air. —Joohn Burrows.

Emissions 268

Emissions Taiwan Asia Ozone 268