Green Car Congress

JANUARY 18, 2011

A collaboration including researchers from Boston College, MIT, the University of Virginia and Clemson University have achieved a peak ZT (thermoelectric figure of merit) of 0.8 The study by Yan et al. The study by Yan et al. The study by Biswas et al. The study by Biswas et al. Credit: ACS, Yan et al.

Conversion 231

Conversion Boston Waste Universal 231

Green Car Congress

APRIL 27, 2012

Based on visual interpretation of high-resolution (30 m) satellite images, a new study in the journal Global Change Biology: Bioenergy determined that industrial plantations covered over 3.1 That number is in my opinion conservative, and consistent with a slight reduction in the rate of peat conversion. Chris Malins.

Oil-Sands 314

Oil-Sands Oil Emissions Climate 314

Green Car Congress

MARCH 22, 2011

The conversion of biomass to cellulosic ethanol is the most efficient and productive use of biomass to create a high-octane, environmentally friendly transportation fuel, according to a perspective paper published in the Journal of Chemical Technology & Biotechnology. Comparison of yields of ethanol vs other reduced products.

Universal 255

Universal GM Conversion Fuel 255

Green Car Congress

AUGUST 6, 2011

The team also suggested that algae systems can be either net energy positive or negative depending on the specific combination of cultivation and conversion processes used. In this new study, reported in the ACS journal Environmental Science & Technology , Clarens et al. Credit: ACS, Clarens et al. Click to enlarge. Earlier post.)

Transportation 278

Transportation Energy Conversion Water 278

Green Car Congress

DECEMBER 30, 2015

A team at RWTH Aachen University has identified ethyllevulinate and 2-methyltetrahydrofuran as promising alternatives to cellulosic bioethanol with respect to cost and environmental impact based on a large-scale reaction screening study. Fuel families and fuels in the study. —Ulonska et al. Credit: ACS, Ulonska et al.

Conversion 150

Conversion Fuel Production Energy 150

Green Car Congress

JULY 7, 2015

A study by a team from the Great Lakes Bioenergy Research Center (GLBRC) has found that perennial biofuel crops’ evapotranspiration does not differ greatly from corn. Land conversion to biofuel production is an example of a potential large-scale land cover change.

Water 150

Water Climate Change Climate Environment 150

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. The work in the study is part of a larger effort by Browns Center for the Capture and Conversion of CO 2.

CO2 291

CO2 Production Conversion Hydrogen 291

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 —Matthew Kanan, an assistant professor of chemistry at Stanford and coauthor of the Nature study.

Fuel 300

Fuel CO2 Carbon Conversion 300

Green Car Congress

MARCH 13, 2012

Researchers at the University of Alberta (Canada) have quantified the transformation of the boreal landscape by open-pit oil sands mining in Alberta, Canada to evaluate its effect on carbon storage and sequestration. —Rooney et al. The loss of peatland will also reduce carbon sequestration potential by 5,734–7,241 metric tons C/y.

Oil-Sands 270

Oil-Sands Oil Carbon Conversion 270

Green Car Congress

MAY 28, 2019

The study supplies information to determine the best design based on needs. Electroactive microbes also allow for the use of other types of renewable electricity to power these conversions. The study was supported by Cornell and the Burroughs-Wellcome Fund.

Energy Storage 274

Energy Storage Engine Energy Polymer 274

Green Car Congress

MAY 20, 2015

For the study, the EDF team used the Technology Warming Potentials (TWP) methodology, which considers the radiative efficiency of both CO 2 and CH 4 and their atmospheric fate as a function of time, thereby providing a view of climate impacts from fuel switching across both short and long time frames. —Camuzeaux et al. L diesel to 11.9

Climate 150

Climate Diesel Gas Emissions 150

Green Car Congress

FEBRUARY 24, 2016

A paper by a team from the University of Chicago and MIT suggests that technology-driven cost reductions in fossil fuels will lead to the continued use of fossil fuels—oil, gas, and coal—unless governments pass new taxes on carbon emissions. Their analysis is published in the Journal of Economic Perspectives. F of warming.

Chicago 150

Chicago MIT Tax Carbon 150

Green Car Congress

JUNE 3, 2011

GHG emission comparison between fossil diesel, transesterified lipids, HVO and woody BTL. If HVO is produced from waste feedstocks with low upstream impacts, the high conversion efficiency of the HVO production process will make HVO the preferred fuel to BTL from any woody feedstock, even woody waste. Sunde et al. Click to enlarge.

Oil 239

Oil Renewable Fuel Waste 239

Green Car Congress

SEPTEMBER 25, 2013

Researchers at Arizona State University have shown that paper-folding concepts can be applied to Li-ion batteries in order to realize a device with higher areal energy densities. Comparison of areal discharge capacities for planar, 1-fold, 2-fold, and 3-fold batteries. Areal discharge capacities for Miura-folded versus unfolded cells.

Li-ion 331

Li-ion Concept Energy Batteries 331

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

JANUARY 19, 2010

Schematic of systems considered in the study. Model scope includes all upstream processing of biomass material; conversion to liquid or solid fuel is intentionally excluded. A paper on the study was published online 19 January in the ACS journal Environmental Science & Technology. Credit: ACS, Clarens et al. Clarens et al.

Water 218

Water Waste Energy Emissions 218

Green Car Congress

MARCH 28, 2017

A team at RWTH Aachen University has developed a framework for the model-based formulation of biofuel blends with tailored properties by considering the fuel’s molecular composition as the fundamental design degree of freedom. Based on the selection of a palette compound (Stage 1), a conversion pathway is created in Stage 2.

Conversion 150

Conversion Fuel Design Hydrogen 150

Green Car Congress

SEPTEMBER 12, 2015

The comparison to the electric vehicle is based on estimates which factor in the CO 2 emissions resulting from fuel production, with the DME-powered vehicle figure calculated from the use of renewable energy to generate the DME fuel, and the electric vehicle figure calculated from electricity generated from renewable resources. (The

Ford 150

Ford Fuel Power Powered 150

Green Car Congress

JULY 21, 2016

A team of researchers from the UK’s Cardiff University’s Cardiff Catalysis Institute and Queen’s University Belfast have shown that significant amounts of hydrogen can be unlocked from fescue grass—without significant pre-treatment—using sunlight and a metal-loaded titania photocatalyst. Reaction conditions: 0.36 g

Hydrogen 150

Hydrogen Cheap Production Conversion 150

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”. —Gençer et al.

Solar 150

Solar Production Energy Concept 150

Green Car Congress

FEBRUARY 13, 2018

Like other fuel cells, they enable direct electrochemical conversion of chemical fuels to electricity at high efficiency and with zero emissions. They are particularly attractive in comparison to other fuel cells as a consequence of the high ionic conductivity of the electrolyte at at intermediate temperatures (400–600 °C).

Power 186

Power Powered Fuel Maryland 186

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

JULY 24, 2016

Researchers at Rice University’s Laboratory for Nanophotonics (LANP), with colleagues at Princeton University, have developed a new method for uniting light-capturing photonic nanomaterials and high-efficiency metal catalysts, creating an “antenna-reactor” plasmonic catalyst. Swearer/Rice University) Click to enlarge.

Energy 170

Energy Light Universal Convert 170

Green Car Congress

AUGUST 5, 2012

The goal of their study was to understand how alternative fuels affect the primary PM emissions, the semi-volatile nature of the these emissions, and the potential for the emissions to form secondary PM. particle conversion at the high concentrations present in many source tests but exist as vapors in the ambient atmosphere.

Emissions 240

Emissions Engine Fuel Gas 240

Green Car Congress

AUGUST 3, 2010

A comparison of estimates of the energy return on investment (EROI) at the wellhead for conventional crude oil, or for crude product prior to refining for oil shale. While one could argue that the char and gas produced and consumed within the shale conversion process has zero opportunity cost—i.e., Source: Cleveland and O’Connor.

Oil 199

Oil Cleveland Carbon Boston 199

Green Car Congress

JUNE 28, 2009

Researchers at Tsinghua University in China have shown that sugarcane juice is a good feedstock for biodiesel production, when used to support the growth of the alga Chlorella protothecoides by heterotrophic fermentation. Conversion ratios of sugar/biomass and sugar/oil using SCH were 15.2 higher than that using glucose, respectively.

Juice 236

Juice Oil Conversion Carbon 236

Cars That Think

NOVEMBER 21, 2022

“This announcement is perhaps the most expansive export control in decades,” says Sujai Shivakumar , an analyst at the Center for International and Strategic Studies in Washington. Nvidia’s A100 , for comparison, is capable of over 600 teraflops and matches the 600 Gbps interconnect speed. action and the Chinese reaction.

China 93

China Chinese Taiwan South Korea 93

Green Car Congress

NOVEMBER 19, 2015

Researchers of the Institute for Advanced Sustainability Studies ( IASS ) in Potsdam and the Karlsruhe Institute of Technology (KIT) have achieved the proof-of-principle for a innovative technique to extract hydrogen (H 2 ) from methane (CH 4 ) without the formation of CO 2 as a byproduct. The final design is a 1.2-meter-high

Cleaner 150

Cleaner Production Kits CO2 150

Green Car Congress

JUNE 14, 2014

By comparison, Eucalyptus has three times the number of tandem repeat genes present in poplar, the first tree sequenced (by the DOE JGI and published on the cover of the journal Science in 2006). This poses a barrier to their rapid domestication and breeding improvements by way of self-pollination.

International 218

International Production South Africa Carbon 218

Green Car Congress

JUNE 5, 2015

A team from the University of Texas at Austin led by Professor John Goodenough has achieved significantly enhanced activity and durability for the oxygen reduction reaction under alkaline conditions in a hybrid Li-Air battery using a new ordered Pd 3 Fe/C catalyst. Credit: ACS, Cui et al. Click to enlarge.

Austin 150

Austin Li-ion Hybrid Batteries 150

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.

Oil-Sands 231

Oil-Sands Water Oil Fuel 231

Green Car Congress

DECEMBER 9, 2012

Comparison of GHGenius, JACOBS, TIAX, and the new PRELIM gasoline greenhouse gas (GHG) estimates using base case estimates and variations from the scenario analysis. Researchers at the University of Calgary (Canada) have developed the Petroleum Refinery Life-cycle Inventory Model (PRELIM). Credit: ACS, Abella and Bergerson.

Oil-Sands 236

Oil-Sands Emissions Oil Hydrogen 236

Green Car Congress

OCTOBER 30, 2014

A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.

Climate Change 265

Climate Change Climate Nebraska Carbon 265

Green Car Congress

MAY 1, 2009

Researchers at the Norwegian University of Science and Technology (NTNU) are proposing a new process for producing synfuel from biomass using concentrating solar energy as its main energy source. For comparison, they also modeled the production of methanol using only biomass as a fuel and also using coal as source of both carbon and energy.

Solar 186

Solar Molten Salt Fuel Production 186

Cars That Think

NOVEMBER 28, 2022

In comparison, the state’s goal is to achieve this amount by 2050. A 2020 electrification impact study found that without improvements, more than 95 percent of residential transformers would be overloaded if Palo Alto hits its EV and electrical appliance targets by 2030. This situation is not true universally.

Grid 120

Grid United States Charging Gas-Electric 120

Green Car Congress

MAY 12, 2014

Results of a study by a team from the US and Austria suggest that the primary alcohol mixture (“AlcoMix,” comprising 75% ethanol, 11% 1-propanol, 8% 1-butanol, and 6% 1-pentanol) produced from biomass-based syngas could be used as a substitute for ethanol as a primary fuel or as an antiknock blending component. Click to enlarge. Tropsch (F?T)

Fuel 239

Fuel San Diego Gasoline Austria 239

Green Car Congress

APRIL 1, 2016

A team from The University of Manchester and East China University has developed a process for the direct hydrodeoxygenation of raw woods into liquid alkanes with mass yields up to 28.1 wt% wt% over a multifunctional Pt/NbOPO 4 catalyst in cyclohexane. The reactions were conducted at 190 °C and 5 MPa H 2 for 20 h.

Conversion 150

Conversion Energy Fuel Convert 150