Green Car Congress

JUNE 23, 2023

But the cars and SUVs used in these situations drive more miles each year than a typical personal vehicle, contributing a higher proportion of greenhouse gases to the environment. Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint.

Fleet 195

Fleet All-Electric Carbon Emissions 195

Green Car Congress

JUNE 8, 2019

Researches at Hanyang University in Seoul, S. Illustration of the proposed LMB concept in comparison with that of a conventional LMB. (a) b) Comparison of the cyclability of the proposed LMB with previously reported cyclability values under practical test conditions (current density: ? Jang-Yeon Hwang, Seong-Jin Park, Chong S.

Ni-Li 220

Ni-Li Batteries Battery Re-Charge 220

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. But ensuring the stability of the buried biomass is a challenge.

Carbon 259

Carbon Climate Water Gas-Electric 259

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.

Exhaust 170

Exhaust Emissions Mariner Gas 170

Green Car Congress

OCTOBER 6, 2018

A study led by environmental health scientists at Columbia University Mailman School of Public Health examined the release of vapors from gasoline station vent pipes, and found benzene emissions were 10 times higher than estimates used in setback regulations that determine how close schools, playgrounds, and parks can be to the facilities.

Gasoline 365

Gasoline New York City Pollution Gas 365

Green Car Congress

JANUARY 8, 2021

Maize and other annual crops are easier to manage with traditional farming, but they are tougher on the environment. The researchers conducted ecosystem-scale comparisons of carbon, nitrogen, water, and energy fluxes of Sorghum bicolor with maize and Miscanthus x.

Energy 321

Energy Water Illinois Carbon 321

Green Car Congress

FEBRUARY 28, 2020

By comparison, the average smartphone will contribute just a fifth of this daily volume. As part of our Universal Autonomy vision, our pioneering software already reduces the amount of data sharing that is required, allowing vehicles to operate wherever they are, with or without network connection.

Vehicles 199

Vehicles Connect Connected Fleet 199

Green Car Congress

MAY 21, 2020

Now—almost five years later—a study by the University of York and Empa shows that the retrofitting was successful from an environmental point of view. Stuart Grange works in Empa’s Air Pollution/Environmental Technology Laboratory and also at the Wolfson Atmospheric Chemistry Laboratories at the University of York.

Diesel 207

Diesel Engine Exhaust Emissions 207

Green Car Congress

SEPTEMBER 28, 2015

To answer this question, it was necessary to separate risk from exposure because EU and US drivers drive in different environments. For the crashworthiness analysis, we represented risk (of injury in a particular crash) using a statistical model that could be applied to different environments. —Flannagan et al.

Vehicles 150

Vehicles Environment Standards Sweden 150

Green Car Congress

FEBRUARY 9, 2018

If material production phase emissions continue to be overlooked, negative effects on the environment will begin before the vehicle is ever driven. Steel offers the best solution for the environment, the best performance and cost effective solution for automakers, and ultimately the best value for consumers.

Emissions 207

Emissions North America 2016 SUV 207

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. There’s not one that makes sense everywhere; it’s more of a localized environment.” The partnership was funded by the US Department of Energy Bioenergy Technologies Office. Crop potential varies by region, Owens said.

Production 199

Production South Dakota Grant United States 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. However, residential uses and exports of natural gas were not considered in those comparisons.

Gas-Electric 150

Gas-Electric Gas Transportation Coal 150

Green Car Congress

FEBRUARY 26, 2015

An alternative is the alkaline environment of the AEMFC. 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. …

Fuel 150

Fuel Hydrogen Virginia 2011 150

Green Car Congress

AUGUST 1, 2011

Researchers at Justus Liebig University, Giessen, Germany, have improved the performance of sodium-ion batteries ( earlier post ) by using tailor-made carbon materials with hierarchical porosity for the anode instead of common carbon-based anode materials. Energy Environ. Wenzel et al. Advance Article doi: 10.1039/C1EE01744F.

Sodium 186

Sodium Carbon Batteries Battery 186

Teslarati

FEBRUARY 22, 2022

And so anything we can do to make it better for the environment, we want to do that, because that’s the mission of the company. Irina Engelhardt, the head of the hydrogeology department at Berlin’s Technical University, described the issue. I’m pretty confident that it’ll be the most environmentally friendly factory in the world.

Water 96

Water Supplies Tesla Texas 96

Green Car Congress

FEBRUARY 9, 2017

Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto. A paper on the study is published in the journal Atmospheric Environment.

Exhaust 150

Exhaust Diesel Power Powered 150

Green Car Congress

FEBRUARY 4, 2014

The study, which was carried out by University of Toronto Scarborough Environmental Chemistry professor Frank Wania and his PhD candidate Abha Parajulee, is published as an open access paper in the Proceedings of the National Academy of Science. Accounting for evaporative emissions (e.g., —Parajulee and Wania.

Oil-Sands 220

Oil-Sands Oil Emissions Pollution 220

Green Car Congress

JANUARY 12, 2013

Until then, however, these NO x and SO 2 emissions are a disadvantage of EVs in comparison with CNGVs. In addition to their potential impact on the climate and ambient environment, it is important to compare the potential impacts of developing CNGVs and EVs on the energy supply system. Credit: ACS, Huo et al. Click to enlarge.

Coal 231

Coal Pollution China Gas 231

Green Car Congress

APRIL 4, 2012

The first real-world, head-to-head comparison of improved cookstoves (ICs) and traditional mud stoves has found that some ICs may at times emit more of the black carbon particles that are linked to serious health and environmental concerns than traditional mud stoves or open-cook fires. —Kar et al. Abhishek Kar, Ibrahim H.

Pollution 231

Pollution Carbon San Diego Los Angeles 231

Green Car Congress

APRIL 19, 2017

Previous neuroimaging studies have found multiple brain areas associated with distinct aspects of car driving in simulated traffic environments. The voxels in the left cerebellar hemisphere survived the multiple comparison correction. An open access paper on their work is published in the journal Scientific Reports. drivers  et al.

Toyota 199

Toyota GM Transportation 2017 199

Green Car Congress

JUNE 11, 2016

Ricardo has previously reported on a simulation environment set up to enable the study of engine and after-treatment technology over RDE cycles, incorporating post-processing with the EMROAD and CLEAR tools. The cost comparison is with respect to a Euro 5 baseline. Attribute analysis presented in SIA paper. Click to enlarge.

Light 150

Light Diesel Price Exhaust 150

Green Car Congress

AUGUST 20, 2010

CoalTek, teaming with the University of Kentucky Center for Applied Energy Research in Lexington, Ky., Duke University in Durham, N.C., and the University of North Dakota Energy and Environment Research Center in Grand Forks, N.D., Virginia Polytechnic Institute and State University (Blacksburg, Va.)-Partnering

Coal 218

Coal Hydrogen Fuel Power 218

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

AUGUST 17, 2012

By comparison, the sulphur content of fuels used in road vehicles must not exceed 0.001%. The results of the study, entitled “Impact of a European directive on ship emissions on air quality in Mediterranean harbours”, have been published in the journal Atmospheric Environment. for cargo vessels (before 2012 this limit was 4.5%).

Emissions 250

Emissions Pollution 2010 2012 250

Green Car Congress

OCTOBER 22, 2013

Summary of comparison of NO x emissions and fuel consumption of hybrid (D7E) and conventional (D6) dozers. The researchers used the activity measurements to develop duty cycles that were representative and also repeatable in terms of getting good comparisons between the different equipment.

Emissions 231

Emissions Hybrid Fuel Diesel 231

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 The research was supported by Stanford University, the National Science Foundation and the US Department of Energy.

Fuel 300

Fuel CO2 Carbon Conversion 300

Green Car Congress

FEBRUARY 23, 2020

Karnowski recalled a vehicle-image project by Stanford University researcher Timnit Gebru that identified 22 million cars from Google Street View images, classifying them into more than 2,600 categories (such as make and model) and then correlating them with demographic data. So, where to find a larger, fine-grained vehicle dataset?

Light 359

Light Fuel Vehicles 2018 359

Green Car Congress

JULY 7, 2015

The study, led by GLBRC scientist and Michigan State University professor of ecosystem ecology Stephen Hamilton, is the first multi-year effort to compare the water use of conventional corn crops to the perennial cropping systems of switchgrass, miscanthus, native grasses, restored prairies, and hybrid poplar trees. —Hamilton et al.

Water 150

Water Climate Change Climate Environment 150

Green Car Congress

MAY 12, 2017

However, each material used in vehicle production contributes to lightweighting and improves fuel economy, but each does so at a different cost to the manufacturer—and to the environment. Dr. Roland Geyer developed the University of California Santa Barbara Automotive Materials GHG Comparison Model ( UCSB Model ).

Audi 207

Audi 2000 North America 2018 207

Green Car Congress

DECEMBER 8, 2017

Based on yields alone, this is a very important discovery: in comparison, after six decades of commercial-scale improvements and optimization, the traditional acrylonitrile production process achieves yields of approximately 80%–83%. Yet none have been able to compete with the traditional process in terms of cost and yield.

Carbon Fiber 191

Carbon Fiber Renewable Carbon Eaton 191

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.

Molten Salt 144

Molten Salt Mariner South Korea Water 144

Green Car Congress

MAY 15, 2015

Oxford University was also a partner. Comparison of the cathode specific energy densities of some sodium ion cathode materials achieved in full cells, with LiFePO 4 included as a well-known comparison. The Faradion team have also already developed materials with energy densities exceeding that of lithium iron phosphate.

Sodium 150

Sodium Concept Li-ion Lithium Ion 150

Green Car Congress

FEBRUARY 3, 2016

Researchers at Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, have developed a highly efficient homogeneous Ru-based catalyst system for the production of methanol (CH 3 OH) from CO 2 and H 2 in an ethereal solvent (initial turnover frequency = 70 h −1 at 145 °C). —G.K.

Convert 150

Convert CO2 Conversion 2000 150

Green Car Congress

DECEMBER 6, 2017

Exposure to air pollution on city streets is enough to counter the beneficial health effects of exercise in adults over 60, according to new research led by Imperial College London and Duke University. By comparison, a walk along Oxford Street led to only a small increase in lung capacity in participants, far lower than recorded in the park.

London 150

London Pollution Environment Exhaust 150

Green Car Congress

JANUARY 5, 2018

Nitrogen-doped carbon nanotubes or modified graphene nanoribbons may be suitable replacements for platinum for fast oxygen reduction, the key reaction in fuel cells that transform chemical energy into electricity, according to Rice University researchers. —Zou et al.

Fuel 150

Fuel Carbon China Hydrogen 150

Green Car Congress

SEPTEMBER 28, 2009

Comparison of surface temperature projections from the high-end emissions scenario, without carbon cycle feedbacks. Dr Richard Betts, Head of Climate Impacts at the UK Met Office Hadley Centre, presented the findings at a special conference called “ 4 degrees and beyond ” at Oxford University. Source: Met Office. Click to enlarge.

Climate Change 218

Climate Change Climate Mauritius Ethiopia 218

Green Car Congress

JULY 8, 2012

The paper by researchers from Peking University and Environment Canada appears in the ACS journal Environmental Science & Technology. Comparison of relative contributions from various sources to total BC emissions between China and other countries/regions including India, North America, and Africa. Earlier post.).

2007 271

2007 Carbon China Emissions 271