Green Car Congress

APRIL 20, 2020

A study by an international team of researchers led by Aalto University finds that less than one-third of the world’s population could currently meet their demand for food with food produced in their local vicinity. In comparison, the global average is about 3,800 kilometers. The paper is published in the journal Nature Food.

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Universal Global Waste North America 307

Green Car Congress

JANUARY 8, 2021

Now, a study by researchers at the US Department of Energy (DOE) Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) has found that energy sorghum ( Sorghum bicolor ) behaves more like miscanthus in the way it efficiently captures light and uses water to produce abundant biomass. Energy sorghum falls somewhere in between.

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Energy Water Illinois Carbon 321

Green Car Congress

OCTOBER 24, 2022

New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., Comparison of loads (kg/year) of PAHs from direct discharges from ships and atmospheric deposition to the Baltic Sea. Ytreberg et al.

Exhaust 170

Exhaust Emissions Mariner Gas 170

Green Car Congress

MARCH 18, 2012

Bitumen production from the Canadian oil sands provides a point of reference that could be used to observe and better manage the land and water impacts of a rapid transition to unconventional fuels, suggests Dr. Sarah Jordaan of the Energy Technology Innovation Policy Research Group, Department of Earth and Planetary Sciences, Harvard University.

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Oil-Sands Water Oil Fuel 231

Green Car Congress

AUGUST 25, 2019

Researchers at the University of Delaware have demonstrated a direct ammonia fuel cell (DAFC) prototype with a peak power density of 135 mW cm ?2. Source-to-tank cost comparison of carbon-neutral transportation fuels. Their paper is publishedin the journal Joule. Zhao et al.

Delaware 370

Delaware Fuel Hydrogen Vehicles 370

Green Car Congress

MAY 6, 2022

urea-water solution—is injected into the exhaust stream and ideally decomposes to form ammonia, which reacts with NO x on the SCR catalyst to form N 2 and H 2 O. Today’s diesel engines use selective catalytic reduction (SCR) to abate NO x emissions. DEF—a 32.5 —Wheeler et al. Wheeler, S., and Henry, C.

Diesel 284

Diesel Emissions Exhaust Engine 284

Green Car Congress

MAY 7, 2023

Researchers from the University of California, Berkeley, are proposing burying salted biomass in a dry environment within an engineered biolandfill as a solution to sequester carbon that has been photosynthetically fixed by cultivated plants. This is measured by “water activity,” a quantity similar to relative humidity. In 1 y, PNAS.

Carbon 259

Carbon Climate Water Gas-Electric 259

Green Car Congress

DECEMBER 18, 2022

Researchers from the University of Toronto’s Faculty of Applied Science & Engineering and Fujitsu have applied quantum-inspired computing to find the promising, previously unexplored chemical family of Ru-Cr-Mn-Sb-O 2 as acidic oxygen evolution reaction catalysts for hydrogen production.

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Hydrogen Production Store Design 448

Green Car Congress

APRIL 5, 2018

A research team led by the National University of Singapore (NUS) has developed an economical and industrially viable strategy to produce graphene. Preparation of ultra-high concentration graphene in water. b) New non-dispersion strategy for graphene production in water. g), high yield (82.5?wt%),

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Production Water Singapore Universal 186

Green Car Congress

MAY 10, 2019

A team of researchers led by a group from the University of Maryland has. For comparison, all energy densities were converted using the total weight of the positive and negative electrodes (not counting the electrolyte and cell packaging). volts versus Li/Li +. V) and Cl ? The discharge is a complete reversal of the charge process.

Li-ion 271

Li-ion Conversion Energy Batteries 271

Green Car Congress

JULY 31, 2019

A team at the University of Delaware has demonstrated a direct ammonia fuel cell (DAFC) prototype with a peak power density of 135 mW cm -2 at 80 ?C. However, the scale of biofuels is limited by their environmental footprint, considering the land and water usage. Source-to-Tank cost comparison of carbon-neutral transportation fuels.

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Delaware Transportation Fuel Hydrogen 278

Green Car Congress

MARCH 16, 2012

eutrophication; ET = ecological toxicity; FEC = fossil energy consumption; WU = water use; LO = land occupation; “The rest” includes acidification; smog formation; ozone layer depletion; and human health effects. Environmental impacts of gasoline and E85. Error bar shows regional variations for E85. GW = global warming; Eut. Click to enlarge.

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Gasoline Water Emissions Minnesota 357

Cars That Think

JANUARY 20, 2024

The IMO’s previous goal was a 50 percent reduction by 2050 in comparison with 2008 levels. Vard Group is part of NuProShip , a consortium of the Norwegian maritime authority, universities, shipbuilders, and shipping companies that aims to develop a Generation IV reactor for marine vessels. million (an eye-popping $495 million today).

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Molten Salt Mariner South Korea Water 143

Green Car Congress

MARCH 25, 2020

New research led by the University of Washington (UW) is the first to measure this phenomenon’s effect over years and at a regional scale. Small particles in exhaust from burning fossil fuels creates “seeds” on which water vapor in the air can condense into cloud droplets. Michael Diamond/University of Washington. C, or 1.8 ?F,

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Emissions Pollution 2003 Climate 223

Green Car Congress

JANUARY 19, 2010

Terrestrial bioenergy feedstock crops such as switchgrass, canola and corn have lower environmental lifecycle impacts than algae in energy use, greenhouse gas emissions, and water regardless of cultivation location, according to a new lifecycle assessment by researchers at the University of Virginia. 0.4 ± 0.05. 1.8 ± 0.58. 3.3 ± 0.86.

Water 218

Water Waste Energy Emissions 218

Green Car Congress

DECEMBER 2, 2018

Alkaline fuel cells (AFCs) that are assembled with alkaline anion exchange membranes (AAEMs) have several significant advantages in comparison to state-of-the-art proton exchange membrane fuel cells (PEMFCs). (1) 2) Oxidation of direct alcohol fuels (e.g., methanol and ethanol) is also significantly faster in AFCs. (3)

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Polymer Fuel New York Hydrogen 261

Cars That Think

NOVEMBER 1, 2023

Rob Bonin, University of Toronto Now, Liu, Rao, and colleagues have developed a soft, flexible, durable optical fiber capable of delivering an optogenetic light signal away from the brain or spine using a new material: hydrogel. Broadly, hydrogels are soft networks of polymers and water, such as tofu or jelly.

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Light Universal MIT Massachusetts 75

Green Car Congress

MARCH 11, 2010

A University of Wisconsin-Madison research team has developed a chemical process for the hydrolysis of biomass into sugars for subsequent processing into fuels and chemicals that delivers sugar yields approaching those of enzymatic hydrolysis. Furthermore, the hydrolysate products are readily converted into ethanol by microorganisms.

Wisconsin 170

Wisconsin Universal Fuel Water 170

Green Car Congress

DECEMBER 10, 2015

Specifically, the team looked at 25 models and found they underestimate the increase in absorption of sunlight by water vapor as the atmosphere becomes moister, and therefore overestimate increases in global precipitation. The absorption of sunlight by water vapor is vital to understand future global precipitation changes.

Climate Change 150

Climate Change Climate Global Los Angeles 150

Green Car Congress

APRIL 11, 2014

Researchers at Stanford University have developed a nanocrystalline copper material that produces multi-carbon oxygenates (ethanol, acetate and n-propanol) with up to 57% Faraday efficiency at modest potentials (–0.25?volts volts versus the reversible hydrogen electrode) in CO-saturated alkaline water. volts to –0.5?volts Christina W.

Fuel 300

Fuel CO2 Carbon Conversion 300

Green Car Congress

AUGUST 19, 2014

Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., A mid-sized ICE vehicle driven in the United States was also investigated as a basis for comparison. water depletion potential (WDP). Credit: ACS, Dai and Lastoskie. Click to enlarge.

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Gas Li-ion Gas-Electric Conversion 218

Green Car Congress

DECEMBER 16, 2015

Researchers from Purdue University and École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland are proposing a new integrated process involving the co-production of hydrogen and electricity from solar thermal energy—a concept they label “hydricity”.

Solar 150

Solar Production Energy Concept 150

Green Car Congress

AUGUST 18, 2013

Researchers at the University of Regina, Saskatchewan are proposing a new enhanced heavy oil recovery (EHOR) process: Cyclic Production with Continuous Solvent Injection (CPCSI). However, the researchers note, for the reservoir with thin net-pay—i.e.,

Oil 199

Oil Canada 2007 Water 199

Green Car Congress

MARCH 3, 2014

Scientists from Stanford University, SLAC National Accelerator Laboratory and the Technical University of Denmark have identified a new nickel-gallium catalyst that converts hydrogen and carbon dioxide into methanol at ambient pressure and with fewer side-products than the conventional catalyst.

Low Cost 257

Low Cost Clean Cleaning Production 257

Green Car Congress

FEBRUARY 26, 2015

An NREL report summarizing the 2011 Alkaline Membrane Fuel Cell Workshop noted that: In comparison with PEMFCs, AMFCs offer the advantage of avoiding Pt or Pt group metal (PGM) electrocatalysts, one of the primary limitations in the commercial deployment of fuel cells. … Northeastern University. University of California, Irvine.

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Fuel Hydrogen Virginia 2011 150

Green Car Congress

JANUARY 24, 2018

South Dakota State University was the lead institution for the more than $20-million project which began in 2007. In the future, the researchers would like to do side-by-side comparisons of different species across multiple environments to better understand their yield potential.

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Production South Dakota Grant United States 199

Green Car Congress

MAY 23, 2012

As a comparison, a typical terrestrial forest stores about 30,000 metric tons per square kilometer, most of which is in the form of wood. Some 29% of all historic seagrass meadows have been destroyed, mainly due to dredging and degradation of water quality. —Fourqurean et al. At least 1.5%

Carbon 199

Carbon Global Virginia Florida 199

Green Car Congress

NOVEMBER 23, 2012

Biodiesel (fatty acid methyl ester) derived from oleaginous microbes—microalgae, yeast, and bacteria—can effectively displace both petroleum diesel and biodiesel produced from plant oils, according to the findings of a new study by a team from Utah State University. Plant-based oils, commonly used to produce biodiesel (e.g.,

Diesel 316

Diesel Oil Fuel Exhaust 316

Green Car Congress

OCTOBER 16, 2015

The research, conducted by Argonne researchers in collaboration with Stanford University and the University of California, Davis, analyzed the Eagle Ford shale formation in Texas and the Bakken play mainly in North Dakota. —Adam Brandt, lead author of the Bakken study and a professor at Stanford University.

Oil 150

Oil Gas Emissions Davis 150

Green Car Congress

MARCH 21, 2017

Researchers led by a team from Graz University of Technology (TU Graz) in Austria have shown that singlet oxygen ( 1 O 2 ) forms in the cathode of a Li–O 2 battery during discharge and from the onset charge, and that it is responsible for a major fraction of side products that cause fast ageing in the battery. —Mahne et al.

Li-ion 170

Li-ion Batteries Battery Recharge 170

Green Car Congress

FEBRUARY 14, 2012

Since the commercial IH 2 technology produces its own hydrogen and a surplus of water to be self-sufficient, it can operate in a stand-alone configuration anywhere there is sufficient biomass feed for conversion. And the process achieves >90% greenhouse gas reductions in comparison to fossil fuels.

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Conversion Houston Renewable Gasoline 307

Green Car Congress

APRIL 10, 2017

The DHP is then hydrated to 2-HY-THP and 2-HY-THP dimers in yields up to 100 % in the aqueous phase (20 wt % DHP in water) without a catalyst at temperatures from 343 to 403 K (70 to 130 ˚C). Comparison of costs and MSPs for the DHH pathway with the direct hydrogenolysis pathway. Source: Click to enlarge.

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Cost Of Renewable Wisconsin Hydrogen 170

Green Car Congress

AUGUST 6, 2011

The team earlier published LCA results finding that terrestrial bioenergy feedstock crops such as switchgrass, canola and corn have lower environmental life cycle impacts than algae in energy use, greenhouse gas emissions, and water regardless of cultivation location. environmental burdens (net energy use, water use, and GHG) per VKT.

Transportation 278

Transportation Energy Conversion Water 278

Green Car Congress

FEBRUARY 15, 2013

b) Comparison of cycling performance at C/2 with and without the PVP modification. A team at Stanford University lef by Profesor Yi Cui has now identified a new capacity fading mechanism of the sulfur cathodes and developed a new approach to overcoming this mechanism. Credit: ACS, Zheng et al. Click to enlarge. earlier post ).

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Lithium Sulfur Batteries Battery Polymer 334

Green Car Congress

JANUARY 13, 2011

Features of the process include: Feedstock flexible; Fast biomass heat up maximizes liquid yield; Hydroconversion with catalysts produces low-oxygen, low-acidity liquids; Polynuclear aromatic components are not formed; Self-sufficient process requires no supplemental water or hydrogen; and. Property comparison. Heating value.

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Diesel Production Gasoline Renewable 199

Green Car Congress

AUGUST 13, 2014

A catalyst made from a foamy form of copper has different electrochemical properties from catalysts made with smooth copper in reactions involving carbon dioxide, according to a new study by a team from Brown University.

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CO2 Production Conversion Hydrogen 291

Green Car Congress

JUNE 23, 2011

Ricardo and the University of Brighton will model and evaluate an advanced split-cycle combustion system aimed at substantially reducing the carbon emissions of heavy-duty vehicles. The charge air was compressed isothermally by spraying a large volume of water into the cylinder during compression to 100 bar. Source: Neville Jackson.

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Exhaust Concept Vehicles Engine 285