Green Car Congress

MAY 6, 2022

These deposits severely limit low-temperature NO x conversion and increase fuel consumption as high-temperature engine operations are required to remove the deposits. SwRI’s novel technology decreases NO x and carbon dioxide emissions for diesel engines by significantly reducing undesirable deposit formation in exhaust systems.

Diesel 284

Diesel Emissions Exhaust Engine 284

Green Car Congress

MAY 25, 2018

A new study by a team from Aarhus University in Denmark has found that car dealerships pose a significant barrier to electric vehicle adoption at the point of sale due to a perceived lack of business case viability in relation to gasoline and diesel vehicles. Their study is published in the journal Nature.

Iceland 231

Iceland Denmark Finland Norway 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

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

FEBRUARY 14, 2012

The Gas Technology Institute (GTI) in Des Plaines, IL, recently added a new Pilot-Scale IH 2 Plant to broaden biomass-to-liquid hydrocarbon fuel conversion. This is over 70% efficient energy conversion, and the production of exportable steam can raise the overall process efficiency even higher. Earlier post.).

Conversion 307

Conversion Houston Renewable Gasoline 307

Green Car Congress

SEPTEMBER 15, 2016

Researchers at the Future Renewable Electric Energy Distribution and Management (FREEDM) Systems Center at North Carolina State University have developed an inverter for hybrid and electric vehicles using off-the-shelf components made of the wide-bandgap semiconductor material silicon carbide (SiC). kW/L by 2020.

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Congress ECC North Carolina Milwaukee 150

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. Their study appears in the ACS journal Energy & Fuels. … Credit: ACS, Dai and Lastoskie.

Gas 218

Gas Li-ion Gas-Electric Conversion 218

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

MAY 28, 2019

Electroactive microbes also allow for the use of other types of renewable electricity to power these conversions. The current study is the first that gathers in one place all of the data needed to make an apples-to-apples comparison of the efficiency of all these different modes of carbon fixation, Barstow said.

Energy Storage 274

Energy Storage Engine Energy Polymer 274

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. Unit operations pertinent to assessment of four specific conversion pathways are shaded (gray) in panels A-D at bottom. Credit: ACS, Clarens et al. Earlier post.)

Transportation 278

Transportation Energy Conversion Water 278

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.

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Ford Fuel Power Powered 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). Click to enlarge.

Convert 150

Convert CO2 Conversion 2000 150

Green Car Congress

MARCH 16, 2012

In a similar way, the full breadth of impacts attributable to conventional gasoline production, such as natural resource consumption and hazardous pollutant emissions, must also be considered in order to make balanced comparisons to biofuels. This study highlighted the environmental impacts of corn ethanol in comparison with gasoline.

Gasoline 357

Gasoline Water Emissions Minnesota 357

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

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.

Oil-Sands 270

Oil-Sands Oil Carbon Conversion 270

Green Car Congress

APRIL 27, 2012

Business-as-usual’ projections of future conversion rates, based on historical rates over the past two decades, indicate that 6–9 Mha of peatland in insular Southeast Asia may be converted to plantations by the year 2020, unless land use planning policies or markets for products change. —Miettinen et al. Chris Malins. Asner, Simon N.

Oil-Sands 314

Oil-Sands Oil Emissions Climate 314

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

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

JULY 30, 2013

A German consortium involving four companies and and two universities is developing dielectric elastomers (electroactive polymers) for the conversion of mechanical energy—in this case wave power—into electrical power. The Technical University of Darmstadt is developing a method for testing the electroactive polymers.

Polymer 207

Polymer Power Powered Convert 207

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

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. The catalytic conversion of furfural yields a mixture of octanol, butyltetrahydrofuran, and dioctylether.

Conversion 150

Conversion Fuel Production Energy 150

Green Car Congress

AUGUST 12, 2014

In electronic devices, WBG semiconductors can eliminate up to 90% of the power losses that currently occur during AC-to-DC and DC-to-AC electricity conversion, and they can handle voltages more than 10 times higher than Si-based devices, greatly enhancing performance in high-power applications. million to a $3.8-million GaN Systems, Inc.;

Power 218

Power Powered Future DC 218

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.

Fuel 150

Fuel Hydrogen Virginia 2011 150

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

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.

Hydrogen 150

Hydrogen Cheap Production Conversion 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

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%.

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Carbon Fiber Renewable Carbon Eaton 191

Green Car Congress

JULY 7, 2015

The second part of the process uses a newly discovered enzymatic system discovered by the group of team member Vincent Eijsink, professor at the Norwegian University of Life Sciences. One of the BioMim collaborators who is producing the enzyme is Makoto Yoshida, associate professor from Tokyo University of Agriculture and Technology.

Norway 150

Norway Virginia Insight Wisconsin 150

Green Car Congress

NOVEMBER 26, 2010

Pyrolysis bio-oils are produced by the thermal decomposition of biomass by heating in the absence of oxygen at more than 500 °C; fast pyrolysis of biomass is much less expensive than biomass conversion technologies based on gasification or fermentation processes. In comparison, increasing the H/C eff ratio of pyrolysis oil from 0 to 1.4

Oil 225

Oil Convert Hydrogen Fuel 225

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

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 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

JANUARY 19, 2010

Model scope includes all upstream processing of biomass material; conversion to liquid or solid fuel is intentionally excluded. For all crops, the entire plant was used to facilitate comparison on a total energy basis. Biofuel conversion processes were excluded from the scope of the analysis. Credit: ACS, Clarens et al.

Water 218

Water Waste Energy Emissions 218

Green Car Congress

JANUARY 13, 2011

Property comparison. Participants in the project include Cargill, Johnston Timber, Aquaflow, Blue Marble Energy, National Renewable Energy Laboratory and Michigan Technological University. As a result, the technology is highly flexible and is economical for both small- and large-scale applications. Fast Pyrolysis Oil IH 2 product.

Diesel 199

Diesel Production Gasoline Renewable 199

Green Car Congress

NOVEMBER 19, 2015

CO 2 emissions from the ammonia industry alone amount to approximately 200 million tons per year—by comparison, Germany generates around 800 million tons of carbon dioxide per year. But these past attempts were limited by issues such as carbon clogging and low conversion rates. The final design is a 1.2-meter-high

Cleaner 150

Cleaner Production Kits CO2 150

Green Car Congress

AUGUST 17, 2010

Despite this potential, the production capacity for microalgae is presently limited in comparison to land-based energy crops. As an example for comparison with land-based oleaginous crops, the world production of palm oil is nearly 40 million tons, with a market value of ~0.50 /kg. The perspective by René H. Wijffels and Maria J.

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Portugal Oil Solar Netherlands 199

Green Car Congress

MAY 20, 2015

L heavy-duty engine, also available both as diesel CI and natural gas SI type, included for completeness and to enable direct comparison to other studies. TWP results for diesel to natural gas HDT fleet conversions. g/mile for the SI fleet conversion cases and 4.2 They also examined an 8.9 L HPDI to be on average 5.5%

Climate 150

Climate Diesel Gas Emissions 150