Green Car Congress

JUNE 10, 2022

After systematically studying multiple catalyst compositions, researchers at KAUST and Umicore have clarified the role of cerium (Ce) in Mn-based oxide catalysts for the selective catalytic reduction (SCR) of NO x with NH 3 at temperatures below 200 °C. An open-access paper on the study appears in Nature Communications. Baiker et al.

Conversion 199

Conversion Engine Exhaust Diesel 199

Green Car Congress

MAY 17, 2017

Neste Renewable Diesel has already been shown to be able to reduce greenhouse gas emissions by up to 90% on a full lifecycle basis compared to conventional fossil diesel. The emission measurements were carried out before the catalytic converter and diesel particulate filter (DPF). On a non-optimized basis (i.e.,

Renewable 150

Renewable Diesel Emissions Engine 150

Green Car Congress

NOVEMBER 23, 2012

Diesel engine torque output as a function of the engine speed (rpm) for the tested fuels. Here, we have selected a representative from each of these three groups, produced biodiesel, have characterized the properties of the fuels in comparison to biodiesel produced from plant oils. Credit: ACS, Wahlen et al. Click to enlarge.

Diesel 316

Diesel Oil Fuel Exhaust 316

Green Car Congress

MAY 31, 2017

A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore. —Paul Bloore.

Fuel Economy 150

Fuel Economy Diesel Economy Engine 150

Green Car Congress

OCTOBER 21, 2016

A new study by researchers from Imperial College London(ICL) of 39 new Euro 6 diesel passenger cars has found “ huge variability ” in the on-road NO x emissions of Euro 6 diesel passenger cars, with results ranging from 1 to 22 times the type approval limit. The average NO 2 emission in the new study was 2.5

Diesel 150

Diesel Emissions London Pollution 150

Green Car Congress

OCTOBER 10, 2013

Studies in cells alone do not necessarily reflect the integrated response of a whole animal, they noted.). Studies in cells alone do not necessarily reflect the integrated response of a whole animal, they noted.). 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

MAY 24, 2017

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. By contrast, diesel cars with particle filters exceeded the limit only 45-fold.

Engine 271

Engine Exhaust Gasoline Diesel 271

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. However, the use of CFT resulted in a remarkable reduction in carbonyl emissions in comparison with using DF. Jakober, 2008). In addition, there was an 18.0–35.8%

Coal 210

Coal Diesel Emissions Fuel 210

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

AUGUST 23, 2013

Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. ” One of our primary goals and objectives is to level the playing field for clean diesel vehicles.

Diesel 366

Diesel Audi Sale Fuel Economy 366

Green Car Congress

FEBRUARY 5, 2016

A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet.

Environment 150

Environment Emissions Exhaust 2014 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. Conventional diesel fuels are optimized for conventional diesel operation. Credit: ACS, Lilik and Boehman.

Diesel 236

Diesel Pollution Fuel Emissions 236

Green Car Congress

JUNE 11, 2016

Future RDE emissions legislation and fleet average CO 2 targets represent a challenge for automakers wishing to provide cost-effective light duty diesel vehicles. liter diesel engine. 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

NOVEMBER 7, 2013

An open-access paper on the study has been accepted for publication in the ACS journal Environmental Science & Technology. The Government of Canada has mandated a 2% renewable content requirement in diesel fuel; biodiesel—a mixture of fatty acid alkyl esters produced via transesterification from a variety of feedstocks (e.g.,

Canada 186

Canada 2006 Exhaust Pollution 186

Green Car Congress

SEPTEMBER 29, 2015

Emission measurements conducted by Institute of Transport Economics in Norway, in collaboration with VTT in Finland, show that new Euro 6 cars with diesel engines are struggling with NO x emissions well in excess of regulatory type limits when in real traffic. Figure credit: Institute of Transport Economics. Click to enlarge.

CO2 150

CO2 Diesel Exhaust Emissions 150

Green Car Congress

JUNE 14, 2016

Spearheaded by Scripps Associate Director Bruce Appelgate and co-led by Scripps atmospheric scientist Lynn Russell, the biofuel project investigated the viability of using hydrotreated renewable diesel fuel (HRD) on a long-term basis. In the process, the vessel used a total of 52,500 gallons of 100% renewable diesel.

Renewable 150

Renewable Diesel Emissions Fuel 150

Green Car Congress

FEBRUARY 5, 2016

The process involves introduction of a low reactivity fuel into the cylinder to create a well-mixed charge of low reactivity fuel, air and recirculated exhaust gases. The researchers suggested that further design optimization might enable the use of a standard diesel fuel instead of n-heptane. At 1200 rpm, IMEP of 2.0 versus 25.2%

Engine 150

Engine Wisconsin Automobile Gasoline 150

Green Car Congress

MARCH 20, 2012

A new report highlights the results of research work carried out by Ricardo and TRL on behalf of the UK Department for Transport, exploring the means by which improvements in diesel fuel efficiency could be realized within the rail network of Great Britain. A gas exchange system upgrade for DMUs.

Diesel 218

Diesel Gas Fuel Fuel Economy 218

Green Car Congress

DECEMBER 6, 2017

Further, findings of a study led by Imperial College London researchers of more than half a million infants in the city suggests that pregnant mothers exposed to air pollution from London’s busy roads are more likely to give birth to babies that are underweight or smaller than they should be. This open-access paper is published in The BMJ.

London 150

London Pollution Environment Exhaust 150

Green Car Congress

APRIL 27, 2011

The London Congestion Charging Scheme (CCS)—which charged for travel into central London and reduced traffic volume ( earlier post )—has shown little evidence that it improved air quality as well, according to Part I of a new study published by the Health Effects Institute (HEI). NO 2 was projected to increase slightly, by 0.3

London 299

London Charging Pollution Diesel 299

Green Car Congress

JUNE 29, 2013

A study by Sage Kokjohn, Senior Engineer in Combustion Research at Cummins Inc., improvement in total fluid consumption (diesel + diesel exhaust fluid for SCR) over conventional diesel combustion. improvement in total fluid consumption (diesel + diesel exhaust fluid for SCR) over conventional diesel combustion.

Light 207

Light Engine Wisconsin Fuel Economy 207

Green Car Congress

JULY 9, 2015

The vehicles were chosen to be representative of the different segments of the European market; 12 were gasoline-fueled, and 9 were diesel-fueled. Moving from NEDC to WLTP did not have much impact on NO x from gasoline vehicles and CO from diesel vehicles. kW (143 hp). (As —Marotta et al. 5b01364.

Emissions 150

Emissions Vehicles Diesel Pollution 150

Green Car Congress

NOVEMBER 19, 2018

What initially motivated the Berlin Fire Department’s concluded tendering procedure were the growing demands with regard to environmental protection and the complex exhaust systems of conventional chassis, which are having an increasingly negative effect on the design and operation of firefighting vehicles.

Hybrid 259

Hybrid Climate Protection Concept Climate 259

Green Car Congress

JANUARY 12, 2012

Use of new technologies to reduce friction losses should be able to lower automotive fuel consumption and emissions by 18% within the next 5 to 10 years and by up to 61% within 15 to 25 years, according to a joint study by VTT Technical Research Centre of Finland and Argonne National Laboratory (ANL) in the US. million TJ/a.

Fuel 186

Fuel Exhaust MPH Finland 186

Green Car Congress

SEPTEMBER 4, 2013

The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. A pilot simulation study of the Ricardo cryogenic split-cycle engine concept has predicted a thermal efficiency of 60%—significantly more fuel efficient than current engine technology.

Engine 249

Engine Fuel Vehicles Waste 249

Green Car Congress

JUNE 23, 2011

The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. The feasibility study is part-funded by the UK Technology Strategy Board as one of the winning submissions for the recent “Disruptive technologies in low carbon vehicles” competition.

Exhaust 285

Exhaust Concept Vehicles Engine 285

Green Car Congress

APRIL 4, 2011

Shindell and colleagues used a comprehensive computer model and climate simulator—one of the first capable of accounting for the role of aerosols—that shows vehicle exhaust exacts an enormous toll in all countries and especially in the developing world. In comparison, the Northern Hemisphere has warmed by about 0.3°C

Climate 231

Climate Standards Emissions Climate Change 231

Green Car Congress

JULY 14, 2017

A new study by an international team led by researchers from the Paul Scherrer Institute (PSI) in Switzerland has found that modern diesel passenger cars equipped with diesel particulate filters (DPFs) emit fewer carbonaceous particulates than gasoline-powered vehicles. HC), NO x and carbon monoxide (CO) at 22 °C and −7 °C.

Gasoline 218

Gasoline Diesel Cars Emissions 218

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.

Waste 207

Waste Energy Iowa Diesel 207

Green Car Congress

FEBRUARY 5, 2015

Comparison of the potential reduction in emissions with the application of lower sulfur 0.5% The study found the potential for 1,500–2,000 Bering Strait transits in 2025, a three- to four-fold increase from 440 transits in 2013 (based on the medium-growth scenario). fuel for Arctic vessels assuming a low-growth scenario. Source: ICCT.

Pollution 150

Pollution Emissions Mariner Fuel 150

Green Car Congress

AUGUST 22, 2015

Neste, currently largest producer of renewable drop-in fuels (primarily diesel) with its NEXBTL platform ( earlier post ), has filed a patent ( US20150144087 ) on a gasoline composition (and the method for making it) comprising up to 20 vol% (preferably from about 10-15 vol.%), of paraffinic bio-hydrocarbons originating from the NEXBTL process.

Gasoline 150

Gasoline Fuel Renewable Emissions 150

Green Car Congress

APRIL 5, 2010

This project will develop and evaluate a new process for converting biomass waste into diesel fuel. The diesel made from biomass will be a direct substitute for ultra low-sulfur diesel (defined by ASTM D 975). The biomass waste will first be converted into pyrolysis oil and then upgraded to diesel.

Emissions 225

Emissions EPA Waste Exhaust 225

Green Car Congress

JANUARY 18, 2013

The study includes various sizes of sedans, wagons, and SUVs, as well as pickup trucks, minivans and a few “muscle” and sports cars. Vehicles from model years 2003 to 2012 with a wide variety of powertrains were represented and included two hybrid sedans and a diesel sedan. Analysis has focused on speeds of 50, 60, 70 and 80 mph. [

Fuel Economy 326

Fuel Economy Economy Fuel MPH 326

Green Car Congress

APRIL 9, 2021

A team at Oak Ridge National Laboratory (ORNL) has achieved diesel-like efficiency in a single-cylinder spark-ignition (SI) research engine while maintaining compatibility with stoichiometric 3-way catalyst (TWC) systems. 1) with cooled exhaust gas recirculation (EGR) and high compression ratio (13.3:1 Splitter et al.

Diesel 468

Diesel Engine Gasoline Emissions 468

Green Car Congress

APRIL 14, 2010

The next generation of Ford’s EcoBoost turbocharged, direct-injection gasoline engines will introduce cooled EGR (exhaust gas recirculation), enabling higher compression ratios, according to Ford executives speaking at the SAE 2010 World Congress in Detroit.

Ford 210

Ford Congress 2010 Gasoline 210

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 L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel. Credit: ACS, Chin et al. Click to enlarge.

Pollution 231

Pollution Diesel Emissions Engine 231

Green Car Congress

MAY 3, 2016

A team at the University of Michigan has investigated the performance of three different fuels—ultralow sulfur diesel (ULSD), diesel fuel produced via a low temperature Fischer–Tropsch process (LTFT), and a renewable diesel (RD), which is a hydrotreated camelina oil under partially premixed compression ignition (PCCI) combustion.

Diesel 150

Diesel Renewable Emissions Fuel 150