Energy Institute at HAAS

JUNE 16, 2025

The study doesn’t try to declare a tax policy utopia; it skips the moralizing and dives into the mechanics of who wins and who loses if we make this swap. And if you’re wondering how political leanings play into this, the answer surprised me initially, but after thinking about it for 0.5 seconds, not so much.

Tax 91

Tax 2018 2014 2016 91

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. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.

Gasoline 493

Gasoline Emissions Gasoline-Electric Gas-Electric 493

Green Car Congress

JULY 5, 2022

A study by researchers in Australia and China has determined that global food-miles account for nearly 20% of total food-systems emissions; moving fruit and vegetables in refrigerated vehicles is particularly emissions-intensive. We estimate the carbon footprint of food-miles by using a global multi-region accounting framework.

Transportation 418

Transportation Emissions Global Carbon 418

Green Car Congress

JULY 14, 2021

Researchers at Argonne National Laboratory have conducted life cycle analyses (LCAs) for battery-grade lithium carbonate (Li 2 CO 3 ) and lithium hydroxide monohydrate (LiOH•H 2 O) produced from Chilean brines (Salar de Atacama) and Australian spodumene ores. This information will help us achieve our goal of being carbon neutral by 2030.

Carbon 397

Carbon Emissions Li-ion Battery 397

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

Carbon 468

Carbon Emissions Cleaner Gas-Electric 468

Green Car Congress

SEPTEMBER 6, 2020

of the human-made climate impact; two-thirds of this impact are caused by emissions other than CO 2 , according to a new study by researchers in Europe and the US. The study was published in the journal Atmospheric Environment. This new study is based on a thorough review of a decade of research on aviation emissions.

Climate 448

Climate Emissions CO2 Climate Change 448

Green Car Congress

MARCH 10, 2022

Keliber, a Finnish mining and battery chemical company that aims to start the sustainable production of battery-grade lithium hydroxide, has analyzed the CO 2 emissions generated by its future production using two studies. In the comparison, Keliber shows the lowest emission intensity of 4.38 tonnes/produced tonne.

Carbon 418

Carbon Chile Emissions Australia 418

Green Car Congress

AUGUST 15, 2021

A study by researchers at CU Boulder and Edinburgh Napier University finds that high-density, low-rise environments such as those found in Paris are the optimal urban form when looking to reduce greenhouse gas emissions over their whole life cycle. However, urban environmental design often neglects life cycle GHG emissions.

Emissions 476

Emissions Environment New York City New York 476

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. A study by University of Chicago economist Esteban Rossi-Hansberg, the Glen A. The price of carbon should then be set at this price, everywhere. CO 2 Emissions and Temperature Under the Paris Agreement.

Tax 397

Tax Carbon Global Climate Change 397

Green Car Congress

JANUARY 8, 2023

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. What is the contribution of NTP emissions to ambient PM in large, high traffic cities? The project will be executed as four integrated sub-studies.

Emissions 353

Emissions Pollution Exhaust London 353

Green Car Congress

MAY 1, 2022

ClearFlame Engine Technologies, a startup developing net-zero engine technology ( earlier post ), announced the publication of an independent study that finds ClearFlame’s technology could help fleet owners and other heavy-duty truck operators lower total costs while meeting sustainability goals sooner than currently available alternatives.

Emissions 370

Emissions Engine Diesel Miles 370

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.

Emissions 543

Emissions Cars Cleaner Climate 543

Green Car Congress

AUGUST 23, 2021

The open-access paper on the study is published in the RSC journal Energy & Environmental Science. The materials and metals demanded by a low-carbon economy are projected to be immense and create challenges along the full supply pathway. The emissions factor of electricity for the solar module supply chain is a critical sensitivity.

Solar 459

Solar Hydrogen Emissions Production 459

Green Car Congress

JUNE 16, 2021

Rio Tinto has partnered with the Australian Renewable Energy Agency (ARENA) to study whether hydrogen can replace natural gas in alumina refineries to reduce emissions. This study will investigate a potential technology that can contribute to the decarbonization of the Australian alumina industry. Rio Tinto will conduct a $1.2-million

Hydrogen 312

Hydrogen Emissions Davis Carbon 312

Green Car Congress

DECEMBER 22, 2022

Africa can produce 50 million tons of green hydrogen a year by 2035, according to a new study by the European Investment Bank (EIB), International Solar Alliance and the African Union, with the support of the Government of Mauritania, HyDeal and UCLG Africa.

Africa 481

Africa Mauritania Hydrogen Green 481

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.

Fleet 435

Fleet Emissions Greece Poland 435

Green Car Congress

MARCH 28, 2022

FlyZero is the UK’s Aerospace Technology Institute (ATI) project aiming to realize zero-carbon emission commercial aviation by 2030. Funded by the Department for Business, Energy and Industrial Strategy, the project FlyZero began in early 2021 as an intensive research project investigating zero-carbon emission commercial flight.

Hydrogen 369

Hydrogen Carbon Emissions Fuel 369

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.).

District of Columbia 435

District of Columbia Fleet Gas-Electric Gasoline-Electric 435

Green Car Congress

APRIL 7, 2020

Australia-based Woodside has signed an agreement with Japanese companies JERA Inc, Marubeni Corporation and IHI Corporation to undertake a joint study examining the large-scale export of hydrogen as ammonia for use decarbonizing coal-fired power generation in Japan. Green hydrogen is produced from renewable energy using electrolysis.

Hydrogen 321

Hydrogen Carbon Corporation Japan 321

Green Car Congress

JUNE 12, 2023

A study by a team from UC Riverside has assessed the potential of increasing ethanol content in California reformulated gasoline (CaRFG) by investigating the exhaust emissions from a fleet of 20 Tier 3 light-duty vehicles. Acetaldehyde and ethanol emissions responded strongly with ethanol across the fleet of 20 vehicles.

California 305

California Emissions Montana Gasoline 305

Green Car Congress

NOVEMBER 4, 2021

New research led by Mohammad Masnadi, assistant professor of chemical and petroleum engineering at the University of Pittsburgh Swanson School of Engineering, offers a closer look at the relationship between decreasing demand for oil and a resilient, varied oil market—and the carbon footprint associated with both. Masnadi, M.S.,

Oil 305

Oil Carbon Global Market 305

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.

Light 435

Light Gas Ford Vehicles 435

Green Car Congress

AUGUST 9, 2019

A team of researchers in China suggest that, in the context of promoting the use of clean fuel vehicles and increasing vehicle fuel efficiency, CO 2 emissions of China’s urban passenger transport sector could reach a peak of 225 MtCO 2 in 2030. A paper on their study appears in the journal Energy Policy. —Li and Yu.

Transportation 316

Transportation Emissions China Taxi 316

Green Car Congress

MAY 1, 2023

by Michael Sivak, Sivak Applied Research The overall advantage of battery electric over gasoline vehicles, in terms of well-to-wheels emissions of greenhouse gases, has been well documented. However, the emissions of electric vehicles depend greatly on the energy source used to generate the electricity that powers them. Natural gas 87.9

West Virginia 345

West Virginia Emissions Carbon Vermont 345

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. Our analysis assumes that captured carbon dioxide can be stored indefinitely, an optimistic and unproven assumption.

Hydrogen 414

Hydrogen Gas Coal Exhaust 414

Green Car Congress

OCTOBER 18, 2022

In an open-access report in the journal Environmental Pollution , researchers from UCLA and the University of Chicago estimate that California’s wildfire carbon dioxide equivalent (CO 2 e) emissions from 2020 (~127 mmt CO 2 e ) are approximately two times higher than California’s total greenhouse gas (GHG) emission reductions since 2003.

2003 447

2003 2020 Climate Change Pollution 447

Green Car Congress

AUGUST 5, 2019

According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. For the stop-and-go route, NO x emissions were 34 times higher for the diesel school bus.

Diesel 312

Diesel West Virginia Emissions Virginia 312

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.

Emissions 355

Emissions CO2 Climate Change Fuel 355

Green Car Congress

JULY 20, 2021

By uprooting carbon trapped in soil, wild pigs (feral swine), are releasing around 4.9 million metric tonnes of carbon dioxide annually across the globe, the equivalent of 1.1 million cars, according to a new study by an international team led by researchers from The University of Queensland and The University of Canterbury.

Climate 435

Climate Climate Change South Carolina Carbon 435

Green Car Congress

MARCH 20, 2020

Data from the ESA’s Tropomi (TROPOspheric Monitoring) instrument on board the Copernicus Sentinel-5P satellite shows the variation of nitrogen dioxide (NO 2 ) emissions over China from December to March. The drop in emissions also coincided with Lunar New Year celebrations, which usually sees a similar drop in emissions each year.

Emissions 473

Emissions China Pollution Chinese 473

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.

Coal 321

Coal Emissions Escape Ukraine 321

Green Car Congress

MAY 20, 2022

Its hybrid electric and hydrogen powertrain aims to reduce downtime related to energy recharging while reducing the carbon footprint, including the battery. Renault Scénic Vision is zero emission in production and in use with a 75% smaller carbon footprint than a conventional battery electric vehicle.

Hydrogen 482

Hydrogen Carbon Concept Hybrid 482

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.

Hydrogen 418

Hydrogen Fuel Battery Batteries 418

Green Car Congress

DECEMBER 29, 2020

A fast, green and one-step method for producing porous carbon spheres—a component for carbon capture technology and for new ways of storing renewable energy—has been developed by Swansea University researchers. Carbon spheres range in size from nanometers to micrometers. Credit: ESRI, Swansea University.

Carbon 418

Carbon Conversion Cheap Water 418

Green Car Congress

MARCH 8, 2021

A team at Argonne National Laboratory’s Systems Assessment Center has evaluated the well-to-wheel (WTW) greenhouse gas (GHG) emissions of Fischer–Tropsch (FT) fuels produced via various electrolytic H 2 pathways and CO 2 sources; using various process designs (i.e., Zang et al. —Zang et al. 0c05893.

Aspen 413

Aspen Range Fuel Wind 413

Green Car Congress

MARCH 27, 2021

Now, a study at MIT has for the first time analyzed and quantified how bubbles form on these porous electrodes. Little study had been done on the kinds of porous electrodes that are increasingly being studied for use in such systems. Control of the bubbles is a key to realizing a high system performance, says Iwata.

Water 418

Water Carbon MIT Gas 418

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 Fuel 259