Green Car Congress

MAY 4, 2010

Researchers at the University of Wisconsin-Madison have demonstrated that it is possible to achieve good yields of renewable hydrocarbons in the molecular weight range suitable for jet and diesel fuel applications through the processing of C 9 alkenes produced from biomass-derived ? Source: Alonso et al. Click to enlarge.

Diesel 170

Diesel Renewable Wisconsin Hydrogen 170

Green Car Congress

FEBRUARY 8, 2016

In the newly reported study, they examined in-cylinder fuel blending with port fuel injection of gasoline or E20 and early-cycle, direct injection of ultra-low sulfur diesel or B20. Both biofuels offered faster transient response to recover the CA50 to the steady-state CA50 value than gasoline or ultra-low sulfur diesel.

Gasoline 150

Gasoline Wisconsin Exhaust Emissions 150

Green Car Congress

FEBRUARY 26, 2010

Researchers at the University of Wisconsin, led by Dr. James Dumesic, have developed a process to convert aqueous solutions of ?-valerolactone Credit: Bond et al., Click to enlarge. Additionally, the yield of high molecular weight alkenes from GVL would benefit from the development of water-tolerant oligomerization catalysts.

Wisconsin 210

Wisconsin Convert Hydrogen Transportation 210

Green Car Congress

APRIL 21, 2010

The additive shifts the distillation curve for diesel fuel to lower temperatures, with most of the additive removed from the mixture by the 40% distillate volume fraction. The presence of up to 2.5% (v/v) of γ-valerolactone in diesel fuel does not appear to affect the volatility to any great extent. —Bruno et al.

Gasoline 170

Gasoline Diesel Wisconsin Fuel 170

Green Car Congress

FEBRUARY 5, 2016

A team at the Engine Research Center (ERC), University of Wisconsin-Madison has demonstrated the viability of reactivity-controlled compression ignition (RCCI) in a two-stroke engine. The researchers suggested that further design optimization might enable the use of a standard diesel fuel instead of n-heptane. Earlier post.)

Engine 150

Engine Wisconsin Automobile Gasoline 150

Green Car Congress

SEPTEMBER 25, 2012

However, similar to other LTC strategies, RCCI suffers from levels of UHC and CO that are considerably higher than in conventional diesel combustion. This allows for stratification of the gasoline charge before any diesel is injected. Wissink et al. Click to enlarge. Earlier post.)

Emissions 352

Emissions Fuel Gasoline Diesel 352

Green Car Congress

SEPTEMBER 21, 2011

Shedd said the engine could be up to about 30% more efficient than a standard diesel engine, depending on the engine load and speed. In contrast, he says, the K6 can be made by modifying existing diesel engines in a way that is both realistic and manufacturable. —Timothy Shedd. Kashmerick and Timothy A.

Engine 186

Engine Diesel Standards Exhaust 186

Green Car Congress

JANUARY 5, 2015

Fuel usage over the drive cycles showed that nearly equal amounts of gasoline and diesel fuel would most likely need to be carried on board for RCCI multi-mode operation, which requires two fuels. Their paper is published in the International Journal of Engine Research. RCCI background. earlier post , earlier post ). Curran et al.

Fuel Economy 150

Fuel Economy Economy Light Fuel 150

Green Car Congress

JULY 26, 2012

Five projects newly selected will help to replace the need for gasoline and diesel in vehicles. The oils will be hydrotreated to produce diesel and jet fuel. University of Wisconsin ($7 million). University of Hawaii ($6 million). Michigan Technological University. Michigan State University.

Universal 225

Universal Hawaii Georgia Michigan 225

Green Car Congress

JANUARY 11, 2012

For the past several decades, engineers have been investigating low-temperature combustion as a means of creating engines with diesel-like efficiency and no pollutant emissions. Optimizing low-temperature combustion to produce the most efficient engine possible requires considering a lot of variables.

Wisconsin 207

Wisconsin Engine Light Universal 207

Green Car Congress

OCTOBER 6, 2011

The Achates team compared the performance of an inline 6-cylinder 4-stroke conventional diesel (Ford 6.7L Thermodynamic analysis. Averaged over a simple engine operating map, the opposed-piston two-stroke had 10.4% Medium-duty application. V8) with an inline 3-cylinder 2-stroke opposed piston engine. Herold, Michael H. Lemke, David E.

Engine 191

Engine 2011 Wisconsin Chicago 191

Green Car Congress

MARCH 11, 2011

Researchers at the Engine Research Center, University of Wisconsin—Madison, are now proposing surrogate models for these nine fuels developed for studying low-emission, high-efficiency advanced diesel engine concepts. Resources. FACE developed nine fuels. Energy & Fuels Article ASAP doi: /10.1021/ef101719a.

Engine 225

Engine Fuel Wisconsin 2006 225

Green Car Congress

MAY 5, 2011

A team from the University of Wisconsin and General Motors has found that high-speed gasoline direct injection compression ignition (GDICI) operation in the low temperature combustion (LTC) regime in a light-duty diesel engine is feasible. Other researchers, Ra et al. g/kg-f while achieving ISFC at about 180 g/kWh.

Wisconsin 220

Wisconsin Gasoline Light Diesel 220

Green Car Congress

APRIL 29, 2013

In a paper presented at the 2013 SAE World Congress, a team from the University of Wisconsin reported a gross indicated thermal efficiency of Reactivity Controlled Compression Ignition (RCCI) operation of near 60%, given optimized combustion management and thermodynamic conditions. The 60% study. Splitter, D., Wissink, M.,

Wisconsin 309

Wisconsin Congress 2013 Fuel 309

Green Car Congress

MAY 18, 2019

Researchers from the University of Wisconsin Madison and ExxonMobil Research and Engineering have devised a two-stage process by which an alcohol such as ethanol or 1-butanol can be converted with high yields into distillate-range ethers and olefins by combining Guerbet coupling (the coupling of two alcohol molecules) and intermolecular dehydration.

Convert 249

Convert Diesel Range Conversion 249

Green Car Congress

JULY 3, 2015

For the study, the team reconstructed the vehicle technology portfolios from two national vehicle studies (the 2007 Environmental Assessment of Plug-In Hybrid Electric Vehicles by the Electric Power Research Institute and Natural Resources Defense Council; and the 2009 Multi-Path Transportation Futures study by Argonne National Laboratory).

Carbon 150

Carbon EPRI Climate Gasoline-Electric 150

Green Car Congress

JUNE 25, 2016

Researchers at Tsinghua University, along with Professor Rolf Reitz at the Engine Research Center, University of Wisconsin-Madison, have investigated for the first time the the characteristics of homogenous charge compression ignition (HCCI) of polyoxymethylene dimethyl ether (PODE). Wang et al. Click to enlarge.

Diesel 150

Diesel Fuel Gasoline Wisconsin 150

Green Car Congress

AUGUST 1, 2013

One high-efficiency combustion concept under investigation is gasoline compression ignition (GCI)—the use of gasoline-like fuels to deliver very low NO x and PM emissions as well as high efficiency in a diesel compression ignition engine. direct-injection light-duty diesel engine. Earlier post.) —Adams et al. 2013.04.074.

Gasoline 320

Gasoline Diesel Engine 2007 320

Green Car Congress

NOVEMBER 21, 2011

California Air Resources Board (ARB) staff are to present the results of these reviews to the ARB by 1 January 2012, and 1 January 2015. The Midwestern Governor’s Association represents Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Ohio, South Dakota, and Wisconsin. Midwestern Governor’s Association.

Carbon 244

Carbon Standards Fuel Oregon 244

Green Car Congress

MAY 28, 2009

Najt, then at the University of Wisconsin, and David Foster published the first study of a gasoline-fueled four-stroke HCCI engine in 1983.). GM already has a strong diesel HCCI effort underway. With the diesel, its more an evolutionary process rather than more of a step process ,” aid Najt.

Range 150

Range GM 2009 Engine 150

Green Car Congress

JULY 17, 2017

The University of Wisconsin-Madison and ExxonMobil announced a two-year renewal of an agreement to research the fundamental chemistry of converting biomass into transportation fuels. The project leverages the university’s expertise with ExxonMobil’s resources and strong technological capabilities. —Professor Huber.

Conversion 150

Conversion Transportation Fuel Wisconsin 150

Green Car Congress

APRIL 17, 2014

Compared to new diesel engines, the Delphi team found that BSFC for GDCI at light loads was comparable or better, and at high loads was about 5% higher. A high octane fuel was injected late on the compression stroke of a boosted diesel engine operating with high EGR. Earlier post , earlier post.). Background. Earlier post.)

Gasoline 304

Gasoline Engine Fuel Wisconsin 304

Green Car Congress

AUGUST 4, 2016

L diesel engine modified to operate in the RCCI combustion mode. The light-duty diesel was equipped with the original high-pressure common rail injection system, high-pressure exhaust gas recirculation (EGR), variable geometry turbocharger and variable swirl actuation. —John Storey, lead author. Earlier post.).

Diesel 150

Diesel Engine Emissions Light 150

Green Car Congress

AUGUST 5, 2010

Researchers at the University of Wisconsin led by Dr. Rolf Reitz are developing a dual-fuel compression engine combustion strategy called reactivity controlled compression ignition (RCCI) to simultaneously reduce fuel consumption and regulated emissions of NO x and PM. Tags: Diesel Engines Fuel Efficiency Fuels. Earlier post.).

Fuel 249

Fuel Wisconsin San Diego Exhaust 249

Green Car Congress

DECEMBER 7, 2013

The way diesel engines operate is being changed from operating in a high temperature to a low temperature regime in order to suppress the formation of both NO x and soot. Although there are several acronyms for the new diesel combustion systems, viz., spray, ignition, combustion chemistry, and emissions. …

Diesel 257

Diesel Ford Fuel Emissions 257

Green Car Congress

MAY 31, 2011

In contrast to conventional diesel combustion, the highest temperature for RCCI combustion in center of chamber (adiabatic core). The high temperature in conventional diesel combustion is next to the piston bowl surface. Gasoline-diesel operation was demonstrated at engine loads up to 14.5 Source: Rolf Reitz. Click to enlarge.

Wisconsin 249

Wisconsin Gasoline Light Engine 249

Green Car Congress

JUNE 19, 2013

Preliminary results from a new study by a team from Oak Ridge National Laboratory (ORNL) and the University of Wisconsin suggest that the fuel properties of moderate biofuel blends such as E20 and B20 increase the benefits of the use of Reactivity Controlled Compression Ignition (RCCI). Earlier post.). —Hanson et al.

Light 207

Light Engine Gasoline Wisconsin 207

Green Car Congress

AUGUST 15, 2010

Researchers at the University of Wisconsin–Madison led by James Dumesic have developed a catalytic process to convert cellulose into liquid hydrocarbon fuels (diesel and gasoline), using a cascade strategy to achieve the progressive removal of oxygen from biomass, allowing the control of reactivity and facilitating the separation of products.

Convert 244

Convert Gasoline Diesel Renewable 244

Green Car Congress

NOVEMBER 2, 2011

An earlier closed-cycle simulation study with Dr. David Foster from the University of Wisconsin found that the opposed-piston 2-stroke Achates engine could show an indicated thermal efficiency of 53%. g/kWh BSFC for the Achates engine, versus 239.9 g/kWh for the reference engine. This represents a 7% improvement since September 2010.

Engine 257

Engine San Diego Power Powered 257

Green Car Congress

OCTOBER 13, 2012

designed for Diesel Fuel (DF-2) operating with reduced performance with JP-8. As a result of these factors, power and torque output from a COTS diesel engine operated on JP-8 rather than DF-2 can be reduced on the order of 5%. (In and Michigan Technological University have a different type of combustion chamber (i.e.,

Engine 236

Engine Design Fuel Diesel 236

Green Car Congress

NOVEMBER 11, 2014

Recently, Professor James Dumesic at the University of Wisconsin-Madison and his colleagues developed an approach for the production of alkenes by polymerization of butenes obtained from decarboxylation of ?-valerolactone they can only be used as substitutes for diesel fuel or additives of jet fuels. doi: 10.1039/C4GC01792G.

Gasoline 256

Gasoline China Fuel Hydrogen 256

Green Car Congress

JANUARY 3, 2013

A team of researchers led by James Dumesic and George Huber, both now at the University of Wisconsin-Madison, have demonstrated how C 5 sugars derived from hemicellulose can be converted into a high-quality petroleum refinery feedstock via a four-step catalytic process. Source: Olcay et al. Click to enlarge.

Convert 268

Convert Renewable Hydrogen Carbon 268

Green Car Congress

MAY 2, 2014

Bengt Johansson at Lund University and others, has demonstrated that using low-octane gasoline in diesel engines has the potential to achieve very high efficiency while reducing the cost of diesel engines by lowering injection pressures and requiring less expensive exhaust aftertreatment. Viollet, Y., and Kalghatgi, G.

Gasoline 210

Gasoline Fuel Light Diesel 210

Green Car Congress

APRIL 30, 2012

Researchers from the University of Wisconsin-Madison and General Motors have extended the operation range for a light-duty diesel engine operating on gasoline using extended controllability of the injection process via a triple-pulse injection strategy. Earlier post.). Krieger, R. Engines doi: 10.4271/2012-01-1131.

Gasoline 210

Gasoline Range GM Wisconsin 210

Green Car Congress

APRIL 25, 2012

In 2010, The US Department of Energy (DOE) selected Delphi, along with partners Hyundai America Technical Center, Inc (HATCI); Wisconsin Engine Research Consultants (WERC); and the University of Wisconsin-Madison (UW) for a $7.48-million Click to enlarge. Earlier post.) Sellnau, M., Sinnamon, J., and Husted, H.,

Gasoline 236

Gasoline Emissions Exhaust Wisconsin 236

Green Car Congress

NOVEMBER 12, 2012

Researchers at the University of Wisconsin-Madison led by Dr. James Dumesic have developed a streamlined process for converting lignocellulosic biomass into chemicals or liquid transportation fuel. Alonso et al. Click to enlarge. The less reactive cellulose fraction is converted with high yield to LA (e.g., Wettstein, Max A.

Conversion 230

Conversion Fuel Convert Wisconsin 230

Green Car Congress

APRIL 18, 2011

Currently, Achates has demonstrated a single-cylinder CI OPOC two-stroke engine that matches the engine-out emissions of an advanced 2010 medium-duty diesel while achieving specific oil consumption of less than 0.1% A cost comparison showed an 11% cost improvement for the OP engine compared to a four-stroke diesel of equivalent power.

Engine 199

Engine Concept Power Powered 199