Green Car Congress

MARCH 6, 2021

building HVAC exhaust) and from natural fluids (e.g., Most contemporary DAC approaches utilize energy poorly, as evident by second-law efficiencies for CO 2 separation of 1 to 9% (for comparison, post-combustion capture from coal exhaust attains second-law efficiencies greater than 20%). Energy Transfer Mechanisms.

Carbon 360

Carbon Exhaust Energy Water 360

Green Car Congress

APRIL 18, 2016

A new study by a team from the University of Edinburgh and independent engineering company INNAS BV has found that, when factoring in the additional weight and non-exhaust PM factors, total PM 10 emissions from electric vehicles (EVs) are equal to those of modern internal combustion engine vehicles (ICEVs). Click to enlarge.

Exhaust 150

Exhaust Emissions Gasoline-Electric 2016 150

Green Car Congress

MAY 6, 2022

CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution. 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. DEF—a 32.5

Diesel 284

Diesel Emissions Exhaust Engine 284

Green Car Congress

MARCH 4, 2010

TSCi combustion minimizes heat loss to the cylinder walls and in the exhaust. Researchers at Syracuse University are working on a method to prepare, inject and combust supercritical diesel fuel. The Syracuse team, for example, is using exhaust gas heat to help bring the fuel to SC states.) Source: Transonic. Click to enlarge.

Fuel Economy 297

Fuel Economy Fuel Economy 2014 297

Green Car Congress

MAY 15, 2014

In a paper in the journal Fuel , researchers at Tianjin University report on the use of cooled EGR to improve the overall performance of 2-methylfuran (MF) as an alternative fuel. —Pan et al. 2014.04.054.

Fuel 199

Fuel E6 Alternative Fuels Gasoline 199

Green Car Congress

APRIL 17, 2014

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 Earlier post , earlier post.). Earlier post.) kWh and FSN 0.1, respectively.

Gasoline 304

Gasoline Engine Fuel Wisconsin 304

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 for the materials and possibly good enough for consideration for waste heat recovery in automotive exhaust systems. The study by Yan et al.

Conversion 231

Conversion Boston Waste Universal 231

Green Car Congress

MAY 29, 2014

Other research has shown that carbonyls directly influence physiological response to diesel exhaust particles and can also contribute to secondary organic aerosol formation. In the Tianjin study, they team fueled a four-cylinder light-duty diesel engine fueled with CFT and DF, identifying 13 individual carbonyl compounds in the exhaust.

Coal 210

Coal Diesel Emissions Fuel 210

Green Car Congress

OCTOBER 13, 2013

The main conclusions of NREL’s analysis were: Several of the studies tested relatively large numbers of engines or vehicles, including the Coordinating Research Council’s (CRC) engine durability study (28 engines); the University of Minnesota’s in-use fleet study (80 vehicles); and the US DOE’s catalyst durability study (82 vehicles).

2001 300

2001 Minnesota Cars Emissions 300

Green Car Congress

JUNE 29, 2013

Rolf Reitz of the University of Wisconsin found that reactivity controlled compression ignition (RCCI) ( earlier post ) in a light-duty engine can meet Tier 2 Bin 5 NO x levels without aftertreatment, while offering a 4% improvement in fuel consumption and 7.3% A study by Sage Kokjohn, Senior Engineer in Combustion Research at Cummins Inc.,

Light 207

Light Engine Wisconsin Fuel Economy 207

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

OCTOBER 20, 2012

A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Credit: ACS, Chin et al. Click to enlarge.

Pollution 231

Pollution Diesel Emissions Engine 231

Green Car Congress

MARCH 23, 2021

The University of Nebraska’s Department of Chemical and Biomolecular Engineering recently released results of a study of 50 non-flex fuel vehicles from the State of Nebraska to determine the adaptability, economic feasibility, and environmental impact of using E30 (30% ethanol blend). sensor readings for the two conditions were similar.

Nebraska 225

Nebraska Fuel Vehicles Exhaust 225

Green Car Congress

SEPTEMBER 4, 2013

The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. Recuperator to transfer heat from exhaust gas to compressed air. The concept of the Ricardo Split-Cycle engine. Source: Neville Jackson. Click to enlarge.

Engine 249

Engine Fuel Vehicles Waste 249

Green Car Congress

OCTOBER 10, 2013

The most significant compositional difference between the exhaust PM from combustion of the 2 fuels was the ratio of polar to non-polar species: 46% assigned polar for B0 vs 68% polar compounds for the B20 fuel. We are unaware of previous studies reporting this type of comparison of the exhaust PM.

B0 210

B0 Diesel Emissions Exhaust 210

Green Car Congress

NOVEMBER 20, 2009

Barbara Rothen-Rutishauser and Peter Gehr from the University of Bern, Switzerland, and Michael Riediker from the Institute for Work and Health, Lausanne, Switzerland, worked with a team of researchers to study the effects of brake particles on cultured lung cells placed in a chamber close to the axle of a car.

Switzerland 186

Switzerland Cars Exhaust 2009 186

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

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. Source-to-Tank cost comparison of carbon-neutral transportation fuels. A paper on the work is published in the journal Joule. —Zhao et al. Zhao et al.

Delaware 278

Delaware Transportation Fuel Hydrogen 278

Green Car Congress

SEPTEMBER 6, 2018

Now, researchers at the Technical University of Munich (TUM) as part of a separate project—the xME-Diesel project—have tested how OMEs behave in engines and have developed an optimized combustion process. We are also convinced that high-performance exhaust after-treatment can even reduce emissions to almost zero.

Engine 186

Engine Fuel Diesel Exhaust 186

Green Car Congress

MARCH 25, 2020

This puffy line is not just exhaust from the engine, but a change in the clouds that’s caused by small airborne particles of pollution. 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. Michael Diamond/University of Washington. C, or 1.8 ?F,

Emissions 223

Emissions Pollution 2003 Mariner 223

Green Car Congress

FEBRUARY 5, 2018

The Ricardo CryoPower split-cycle engine concept redefines the processes of internal combustion to enable significantly improved internal thermal efficiency in comparison with today’s state-of-the-art engines. CryoPower is based on the use of a separate induction and compression cylinder from that used for combustion and exhaust.

Commercial 199

Commercial Engine Companies Fuel 199

Green Car Congress

SEPTEMBER 21, 2011

The K6 engine uses six strokes instead of four to reduce the pressure of exhaust gases, which allows it to harvest more energy rather than expelling it with the gas. Complete combustion of fuels results in low emissions which are not adversely affected by sulfur-containing fuels. —Timothy Shedd. —Tim Shedd.

Engine 186

Engine Diesel Standards Exhaust 186

Green Car Congress

MAY 4, 2009

Comparisons of NO x , CO, soot, and engine brake power using different PS blends with the factory-set injection timings. Researchers at Iowa State University are proposing dissolving waste polystyrene (PS) in biodiesel for use as a diesel engine fuel as a mechanism for energy recovery from the waste plastic. Credit: ACS. Credit: ACS.

Waste 207

Waste Energy Iowa Diesel 207

Green Car Congress

APRIL 9, 2019

A study by a team from North Carolina State University, with colleagues from the Urban Air Initiative and 3DATX Corporation, has shown that non-FFVs (flexible-fuel vehicles) can adapt to a mid-level ethanol blend—specifically E27. The study was commissioned by the Urban Air Initiative. — Yuan et al. Weichang Yuan, H.

Vehicles 284

Vehicles Emissions Gasoline Fuel 284

Green Car Congress

OCTOBER 24, 2016

A research team from Empa (Swiss Federal Laboratories for Materials Science and Technology) and the University of Applied Sciences Bern, Laboratory for Exhaust Emission Control, reports that ethanol blending appeared to reduce genotoxic emissions from a flex-fuel Euro-5 gasoline direct injection (GDI) vehicle (a Volvo V60 with a 1.6

Gasoline 150

Gasoline Emissions Exhaust Vehicles 150

Green Car Congress

JUNE 4, 2009

ORNL is working with a number of university partners (Texas A&M University, University of Wisconsin, Illinois Institute of Technology, University of Alabama, University of Michigan, Dearborn) on the project, as well as Delphi on the catalyst side, a not-for-profit R&D institution, and an unnamed OEM.

Engine 150

Engine Exhaust Concept Universal 150

Green Car Congress

JANUARY 31, 2014

A study by a team at Tianjin University found that the addition of n-butanol to gasoline for use in a compression ignition engine (CI) under Low Temperature Combustion (LTC) conditions has a significant effect on soot reduction. A back pressure valve controlled the amount of exhaust gas flow into the intake pipe. Yang et al.

Gasoline 210

Gasoline Engine Exhaust Fuel 210

Green Car Congress

DECEMBER 10, 2009

Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. Schnürle loop scavenging with five transfer ports and one exhaust port fitted with Lotus charge trapping valve providing asymmetric and continuously-variable exhaust port timing. Click to enlarge. Displacement.

Fuel Economy 218

Fuel Economy Engine Light Fuel 218

Green Car Congress

JUNE 24, 2010

The high temperature exhaust also facilitates the use of otherwise wasted thermal energy for heating of the vehicle interior, thus increasing overall system efficiency. In Serenergy’s case more than 90% of the waste-heat leaves the fuel cell system through the exhaust-pipe and is therefore easy to utilize.

Fuel 186

Fuel Vehicles Hydrogen Waste 186

Green Car Congress

APRIL 16, 2010

Papers came from research teams including: the University of Michigan and GM R&D; Robert Bosch GmbH; Sandia National Laboratories; and MIT. The larger turbocharger increases the pumping work since it cannot be run efficiently by the exhaust gases. HCCI Combustion. Boosting strategies.

2010 199

2010 Congress Gasoline Engine 199

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. Clarens et al. Clarens, Eleazer P.

Water 218

Water Waste Energy Emissions 218

Green Car Congress

MAY 12, 2017

The study, by a team of researchers from Carnegie Mellon University, University of Georgia, Aerodyne Research, California Air Resources Board (ARB), Ohio State University, UC Berkeley, and UC San Diego is published in the ACS journal Environmental Science & Technology. May, Greg T. Drozd, Allen H. Goldstein, Lynn M. 6b06509.

Fleet 207

Fleet Engine Fuel Economy Global 207

Green Car Congress

SEPTEMBER 2, 2015

A DFC stack can thus be used as a carbon purification membrane—transferring CO 2 from a dilute oxidant stream to a more concentrated fuel exhaust stream, allowing the CO 2 to be easily and affordably removed for sequestration or industrial use. Most of the hydrogen is consumed in the anode power production reaction. Alstom Power Inc.

Fuel 150

Fuel Coal CO2 Exhaust 150

Green Car Congress

APRIL 24, 2011

Comparison of optimized start of injection of advanced diesel combustion for brake thermal efficiency, NO x , PM, THC, and CO of diesel (open bar); HTFT (gray bar); and LTFT (black bar) fuels. THC and CO as well as NO x and PM—according to research by a team from The Pennsylvania State University. Credit: ACS, Lilik and Boehman.

Diesel 236

Diesel Pollution Fuel Emissions 236

Green Car Congress

APRIL 10, 2016

A team from Carnegie Mellon University (CMU) has characterized the intermediate volatility organic compound (IVOC) emissions from on-road gasoline vehicles (LDGVs) and small off-road gasoline engines (SOREs). There are also differences in the IVOC composition and volatility distribution of gasoline and diesel exhaust. Gordon et al.

Gasoline 150

Gasoline Emissions Engine Exhaust 150

Green Car Congress

AUGUST 26, 2013

Comparison between estimated EI BC and measured EI BC derived FOA3 (black open box), the FOA3 approach with the updated SN-CI correlation (blue triangle), and estimates obtained from the new FOX method (red circle) that are not dependent on SN. Credit: ACS, Stettler et al. Click to enlarge. These are a factor of ?2.7 near the ground).

Emissions 199

Emissions Standards Carbon Exhaust 199

Green Car Congress

JULY 29, 2016

Researchers from Penn State and the University of Michigan have characterized the nanostructure and oxidative reactivity of soot generated by a light-duty turbodiesel engine operating under a dilute, low-temperature combustion process referred to as high-efficiency clean combustion (HECC).

Diesel 150

Diesel Exhaust Engine Emissions 150