Green Car Congress

JANUARY 25, 2020

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. A strong absorber of solar radiation, black carbon exhibits significant climate warming properties.

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Climate Carbon Engine Fuel Economy 348

The Driven EV News

APRIL 23, 2024

Selling more electric cars in Australia will have a bigger environmental impact than disconnecting all homes from gas, a Climate Council report has found. The post Electric cars will make bigger impact on emissions than electric homes, study finds appeared first on The Driven.

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Electric Cars Emissions Australia Electric 94

Green Car Congress

FEBRUARY 1, 2021

The results have important implications for Earth’s climate because methane is about 25 times more powerful than carbon dioxide when it comes to warming the planet over a long period. In addition to coal mining, other major sources of methane emissions globally include wetlands, agriculture, and oil and gas facilities.

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Coal Emissions Escape Ukraine 321

Green Car Congress

JANUARY 27, 2021

A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. EH&E) and Adjunct Professor of Environmental Health at Harvard’s T.H. Scully et al.

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Gasoline Emissions Gasoline-Electric Gas-Electric 493

Green Car Congress

AUGUST 18, 2020

A new study led by researchers from Northwestern University projects that if electric vehicles replaced 25% of combustion engine cars currently on the road, the United States would save approximately $17 billion annually by avoiding damages from climate change and air pollution. Results show that in more aggressive scenarios—i.e.,

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Climate Change Pollution Climate 2014 261

Green Car Congress

SEPTEMBER 28, 2020

A recent report from CE Delft, an independent research and consultancy organization, regarding the climate impact of Exhaust Gas Cleaning (EGC) systems for the marine industry. The study compares the results to the use of low-sulfur marine fuels and is made from a well-to-wake perspective in order to achieve an accurate comparison.

Climate 243

Climate Mariner Fuel Emissions 243

Green Car Congress

AUGUST 29, 2022

A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). An all-electric fleet would reduce lifetime greenhouse gas emissions by 14.7 Earlier post.).

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District of Columbia Fleet Gas-Electric Gasoline-Electric 435

Green Car Congress

NOVEMBER 14, 2019

earlier post ), a new study by a team at Environmental Defense Fund finds that the climate impact of hydropower facilities varies widely throughout the world and over time, with some facilities emitting more greenhouse gases than those burning fossil fuels. They also estimated emissions caused by flooding the reservoir.

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Climate Climate Change Coal Gas-Electric 207

Green Car Congress

NOVEMBER 11, 2019

Researchers at MIT have determined that growth in aviation causes twice as much damage to air quality as to the climate. Aviation emissions are an increasingly significant contributor to anthropogenic climate change. Aviation emissions are an increasingly significant contributor to anthropogenic climate change.

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MIT Climate Emissions Climate Change 265

Green Car Congress

AUGUST 23, 2021

The open-access paper on the study is published in the RSC journal Energy & Environmental Science. The NWIS comprises mostly gas-fired generation and has a GHG emission factor of 620 g CO 2 -e kWh -1. However, under reasonably anticipated conditions with grid buffering, the GHG emissions may be comparable to SMR. Palmer et al.

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Solar Hydrogen Emissions Production 459

Green Car Congress

MAY 19, 2020

The construction sector accounts for a quarter of CO 2 emissions, in Sweden and globally. It was one of the Swedish Transport Agency’s first projects in which a complete climate calculation was made. Estimated GHG emission, by category, from the construction of Road 44 in the benchmark case—i.e. Karlsson et al.

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Emissions Sweden Climate Waste 243

Green Car Congress

JULY 26, 2022

This is the finding of an independent study of steelmakers worldwide conducted by CRU Group, a global business intelligence firm specializing in metals manufacturing. There is a lot of inaccurate and misleading information about steelmaking, and we believe this independent study will help further our efforts to achieve a low carbon future.

Carbon 186

Carbon Emissions Climate Change Power Grid 186

Green Car Congress

MAY 20, 2020

A preliminary analysis of global data has found that carbon dioxide emissions from fossil fuel sources reached a maximum daily decline of 17% in April as a result of drastic decline in energy demand that have occurred during the COVID-19 pandemic. Percentage change in global daily fossil CO 2 emissions, Jan-May 2020. megatonnes (5.9

Emissions 355

Emissions CO2 Climate Change Fuel 355

Green Car Congress

JANUARY 28, 2019

Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. The results are published in an open-access paper in the Nature Partner Journal (npj) Climate and Atmospheric Science. —Ulrike Burkhardt.

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Climate Cleaner Emissions Alternative Fuels 278

Green Car Congress

DECEMBER 23, 2020

The EU plans to extend its climate goal of reducing CO 2 emission of new vehicles by 37.5% Fuel cell technology appears promising to reduce CO 2 emissions of heavy-duty vehicles by 15% until 2025 and 30% until 2030. KliMEA” is the German acronym of “climate-adaptive and model-based membrane electrode assembly manufacture.”

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Kits Fuel Production Vehicles 493

Green Car Congress

MAY 6, 2022

All regions of the world do not—and will not—experience the effects of CO 2 emissions in the same way. Some will suffer greatly from climate change, while others may even benefit. A study by University of Chicago economist Esteban Rossi-Hansberg, the Glen A. CO 2 Emissions and Temperature Under the Paris Agreement.

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Tax Carbon Global Climate Change 397

Baua Electric

APRIL 29, 2024

A typical EV battery pack contains around 70 kg of graphite, which represents up to 40% of battery cell emissions, based on average present-day production. The study has been certified according to the ISO-14040 and ISO-14044 standards.

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Emissions Production Batteries Battery 52

Green Car Congress

OCTOBER 1, 2019

Freight transportation is a pillar of the US national economy, but while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said.

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Emissions Diesel Ozone United States 286

Cars That Think

FEBRUARY 26, 2024

Twenty homes scattered across Canada and the northern United States are keeping warm this winter using prototypes of the latest iteration in residential heating systems: cold climate heat pumps. To prove it, eight manufacturers are publicly testing their prototypes in the Cold-Climate Heat Pump Technology Challenge , hosted by the U.S.

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Climate Davis Gas-Electric Arlington 144

Green Car Congress

MAY 28, 2021

If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.

Emissions 259

Emissions Carbon Manufacturer Sale 259

Green Car Congress

JULY 21, 2021

The ICCT has conducted a comprehensive global and temporal life-cycle assessment of GHG emissions from a variety of alternative passenger car powertrains and fuels. The life-cycle GHG emissions of cars registered in 2021 are compared with those of cars expected to be registered in 2030.

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Hydrogen Fuel Batteries Battery 418

Green Car Congress

JUNE 27, 2022

A study by a team of researchers from the US, Germany and Canada has found that sustainable aviation jet fuels show up to a 70% reduction in particle mass emission compared to a fossil fuel. Reductions up to 70% in non-volatile particle mass emission compared to the fossil reference fuel were observed at low power settings.

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Fuel Emissions Taxi Hydrogen 199

Green Car Congress

JANUARY 26, 2023

Researchers from the University of Birmingham have designed a novel adaptation for existing blast furnaces that could reduce CO 2 emissions from the steelmaking industry by nearly 90%. billion in 5 years while reducing overall UK emissions by 2.9%. If implemented in the UK alone, the system could deliver cost savings of £1.28

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Carbon Emissions Cleaner Gas-Electric 468

Green Car Congress

AUGUST 19, 2019

A study by a team of researchers from China, the US and Germany suggests that future climate change may worsen air quality for more than 85% of China’s population, leading to an additional 20,000 deaths each year. Managing air quality in China in a changing climate will thus become more challenging. —Hong et al.

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Climate Change Climate Ozone Future 277

Green Car Congress

MARCH 5, 2022

Light-duty vehicles, including sedans, SUVs, and pickup trucks, are currently responsible for 58% of US transportation sector emissions. In an open-access paper in Environmental Research Letters , they show that the proportional emissions benefit of electrification is approximately independent of vehicle class. Woody et al.

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Light Gas Ford Vehicles 435

Green Car Congress

MAY 28, 2021

CO 2 emissions from private jets in Europe increased by nearly a third (31%) between 2005 and 2019, rising faster than commercial aviation emissions, according to a new report from environmental campaign group Transport & Environment (T&E). The report, Private jets: can the super-rich supercharge zero emission aviation?

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Emissions CO2 France Pollution 418

Green Car Congress

JANUARY 21, 2021

A new study by the European Automobile Manufacturers’ Association (ACEA) has found that there are currently 6.2 Just some 2,300—or 0.04% of the total fleet—are zero-emission trucks. Just some 2,300—or 0.04% of the total fleet—are zero-emission trucks. —ACEA’s Director General, Eric-Mark Huitema.

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Fleet Emissions Greece Poland 435

Green Car Congress

FEBRUARY 26, 2020

A new report by the Union of Concerned Scientists (UCS) finds that the rising use of ride-hailing services is increasing carbon emissions, with ride-hailing trips producing nearly 70% greater emissions compared to the trips they are replacing. Error bars for bus and rail emissions represent variability among cities. Source: UCS.

Emissions 543

Emissions Cars Cleaner Climate 543

Green Car Congress

MARCH 28, 2023

A new study by researchers from the University of California, Riverside and colleagues in the US and Europe has now found that methane short-wave absorption counteracts ~30% of the surface warming associated with its long-wave radiative effects. However, greenhouse gases also absorb short-wave radiation incoming from the sun.

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Escape Baltimore Climate Maryland 243

Green Car Congress

OCTOBER 29, 2018

To achieve goals for climate and economic growth, “negative emissions technologies” (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climate change, according to a new report from the National Academies of Sciences, Engineering, and Medicine.

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Climate Change Climate Emissions Carbon 268

Green Car Congress

AUGUST 13, 2021

“Blue” hydrogen—produced through steam methane reforming (SMR) of natural gas or coal gasification, but with CO 2 capture and storage—is being described as having low or zero carbon emissions. Even if true though, the use of blue hydrogen appears difficult to justify on climate grounds. For our default assumptions (3.5%

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Hydrogen Gas Coal Exhaust 414

Green Car Congress

MARCH 25, 2020

The open-access study was published in AGU Advances, a journal of the American Geophysical Union. In climate models, if you simulate the world with sulfur emissions from shipping, and you simulate the world without these emissions, there is a sizable cooling effect from changes in the model clouds due to shipping.

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Emissions Pollution 2003 Climate 223

Green Car Congress

OCTOBER 25, 2022

The Asian Development Bank (ADB) mobilized a $135-million climate financing package for VinFast Trading and Production Joint Stock Company (VinFast) for manufacturing Vietnam’s first fully-electric public transport bus fleet and first national electric vehicle (EV) charging network.

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Vietnam Financing Climate Fleet 195

Green Car Congress

MARCH 19, 2021

A team of aerospace specialists has launched the first in-flight emissions study using 100% sustainable aviation fuel (SAF) on a wide-body commercial passenger aircraft. Meanwhile, further ground tests measuring particulate-matter emissions are set to indicate the environmental impact of SAF-use on airport operations.

Emissions 186

Emissions Commercial Fuel Alternative Fuels 186

Green Car Congress

SEPTEMBER 20, 2019

One view advanced in some studies attempting to model future climate is that cleaning up fossil-fuel air pollution rapidly will unintentionally lead to a near-term rise in atmospheric warming of about a half-degree Celsius, which might take up to a century to reverse. Shindell and Smith published their study in Nature.

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Emissions Climate Change Fuel Climate 191

Green Car Congress

JUNE 28, 2018

Countries seeking to meet Paris Agreement targets on CO 2 emissions must get a grip on the amount of pollution produced at city level, according to a new open-access study published in S cience Advances by an international team of researchers from Europe and China. Total CO 2 emissions of 182 Chinese cities. Shan et al.

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Emissions CO2 Laos Pollution 210

Green Car Congress

MAY 7, 2023

A team of researchers from the University of California, Berkeley; University of North Carolina, Chapel Hill; and University of Miami has analyzed the implications of California’s Clean Vehicle Rebate Project (CVRP) for emissions of greenhouse gases and criteria air pollutants, both in aggregate and in their distribution. Mejia-Duwan et al.

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Pollution Los Angeles North Carolina California 307