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).

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Exhaust Emissions Gasoline-Electric 2016 150

Green Car Congress

MAY 17, 2017

a straight drop-in of renewable diesel for conventional sulfur-free diesel), other studies and trials have shown that using renewable diesel results in: 33% lower levels of fine particulates (and a smaller number of particulates in general); 9% less NO x ; 30% less HC; 24% lower CO; and. On a non-optimized basis (i.e.,

Renewable 150

Renewable Diesel Emissions Engine 150

Green Car Congress

JANUARY 15, 2012

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. The particle number count under those conditions increased by more than an order of magnitude in comparison to DPF-out particle concentrations. The study by Thiruvengadam et al.

Exhaust 218

Exhaust Diesel West Virginia 2007 218

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.

Fuel Economy 150

Fuel Economy Diesel Economy Engine 150

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 North Carolina Gasoline 284

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. The open-access study was published in AGU Advances, a journal of the American Geophysical Union. For comparison, today the Earth is estimated to have warmed by approximately 1 ?C,

Emissions 223

Emissions Pollution 2003 Climate 223

Green Car Congress

MAY 23, 2014

A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. —Platt et al. Platt et al. Click to enlarge.

Pollution 362

Pollution Exhaust Emissions Light 362

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. A paper on their work is published in Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering.

Engine 150

Engine Wisconsin Automobile Gasoline 150

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

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

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

DECEMBER 23, 2013

A team at Ford Motor Company’s Research and Innovation Center in Dearborn conducted a detailed study of the effect of ethanol blend level in emissions, using a 2006 model Mercury Grand Marquis flexible fuel vehicle (FFV) operating on E0, E10, E20, E30, E40, E55, and E80 on a chassis dynamometer. Engine-out exhaust contains typically 1?3%

Emissions 294

Emissions Ford Exhaust Engine 294

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

OCTOBER 10, 2013

Studies in cells alone do not necessarily reflect the integrated response of a whole animal, they noted.). They found that total particulate gravimetric mass collected over the engine test cycle was more than 2 times higher for B0 than for B20 fuel. In the experiments, they used a 4-cylinder, 1.9-liter —Fukagawa et al.

B0 210

B0 Diesel Emissions Exhaust 210

Green Car Congress

SEPTEMBER 4, 2013

The concept of the Ricardo Split-Cycle engine. 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. Source: Neville Jackson. Click to enlarge.

Engine 249

Engine Fuel Vehicles Waste 249

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. Click to enlarge. —TØI Report 1407/2015.

CO2 150

CO2 Diesel Exhaust Emissions 150

Green Car Congress

SEPTEMBER 26, 2012

Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. Such an engine could provide a cost-effective solution for small recreational vehicle- and motorcycle applications. Oh and Plante. Click to enlarge. —Oh and Plante. g/kWh with a 3.3%

Engine 329

Engine Emissions Fleet Market 329

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 g km -1 equates to 4.5

Diesel 150

Diesel Emissions London Pollution 150

Clean Fleet Report

MARCH 24, 2023

Marion, OH Most people have heard of exhaust emissions, but there is another form of emissions released by vehicles known as non-exhaust emissions (NEEs). Studies Confirm Negative Health Impacts As for the effects that NEEs have on the environment, the data is unsettling to say the least. Is it bad for the environment?

Exhaust 79

Exhaust Pollution Environment Emissions 79

Green Car Congress

NOVEMBER 19, 2018

Rosenbauer Deutschland, a company of the Rosenbauer Group, and the Berlin Fire Department plan jointly to develop a hybrid electric fire engine in the next two years. The concept study anticipates megatrends such as global warming, demographic change and urbanization, as well as the challenges these changes pose for fire brigades.

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. million TJ/a.

Fuel 186

Fuel Exhaust MPH Finland 186

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

JULY 9, 2015

The average NEDC inertia mass was 1,522 kg, the average engine capacity 1847 cc, and the average engine maximum power 106.5 On the other hand, for pollutants that are emitted also during high engine load conditions (ex. Two vehicles were type approved for the Euro 6 standard, three vehicles for Euro 4, and the rest for Euro 5.

Emissions 150

Emissions Vehicles Diesel Pollution 150

Green Car Congress

JUNE 23, 2011

The concept of the Ricardo Split-Cycle engine. The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. LN 2 produced using the engine (efficiency of generation is a key parameter). Source: Neville Jackson. Click to enlarge. Click to enlarge.

Exhaust 285

Exhaust Concept Vehicles Engine 285

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. In their study, Lilik and Boehman operated a light-duty 2.5L Credit: ACS, Lilik and Boehman. Click to enlarge. —Lilik and Boehman.

Diesel 236

Diesel Pollution Fuel Emissions 236

Green Car Congress

JUNE 11, 2016

The SIA conference was focused on clean compression-ignition engines of the future. Ricardo has previously reported on a simulation environment set up to enable the study of engine and after-treatment technology over RDE cycles, incorporating post-processing with the EMROAD and CLEAR tools. liter diesel engine.

Light 150

Light Diesel Price Exhaust 150

Green Car Congress

JUNE 4, 2009

Researchers at Oak Ridge National Laboratory (ORNL) are investigating mechanisms for extending the efficiency of combustion engines closer to their theoretical potential. Today’s engines can deliver a fuel efficiency of 40-42%, with corresponding loss of initially available fuel energy of 58-60%. Stuart Daw. Click to enlarge.

Engine 150

Engine Exhaust Concept Universal 150

Green Car Congress

MARCH 20, 2012

The study showed that smaller and more incremental changes applied to a large proportion of the fleet would deliver significantly greater fuel saving benefits than more radical innovations applied to a smaller number of vehicles. A gas exchange system upgrade for DMUs.

Diesel 218

Diesel Gas Fuel Fuel Economy 218

Green Car Congress

FEBRUARY 1, 2009

Pneumatic hybrid engine on the test bench. Researchers at ETH Zürich are developing a pneumatic hybrid engine—an internal combustion engine connected to a compressed air tank instead of a battery system. If fuel is also injected, the engine responds quickly. Rüegg / ETH Zurich. Click to enlarge.

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Hybrid Engine Downsizing 2009 199

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. 1 g/kg-fuel) and is a function of engine model and thrust setting. Click to enlarge.

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Emissions Standards Carbon Exhaust 199

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

AUGUST 23, 2013

V6 TDI diesel engine. During his presentation at the TDI Efficiency Rally, UMTRI researcher Bruce Belzowski first presented a summary of his analysis of the total cost of ownership of diesels with a comparison to that of their gas vehicle counterparts. The engines are paired with 8-speed Tiptronic transmissions. Earlier post.)

Diesel 366

Diesel Audi Sale Fuel Economy 366

Green Car Congress

JANUARY 18, 2013

Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. The study includes various sizes of sedans, wagons, and SUVs, as well as pickup trucks, minivans and a few “muscle” and sports cars. A comparison of the three histograms shows a slight shift toward higher mpg penalties for each 10-mph speed increase.

Fuel Economy 326

Fuel Economy Economy Fuel MPH 326

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

JUNE 14, 2016

The 125' R/V Robert Gordon Sproul is powered by two Detroit Diesel 12V-149 (12 cylinders, V-shape), 675 hp main engines, with a White-Gill trainable hydraulically operated 155 hp bow thruster and two 75 kW generators. The drop-in HDRD used to power R/V Robert Gordon Sproul did not require any engine adjustments adjustments.

Renewable 150

Renewable Diesel Emissions Fuel 150

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). sulfur fuel and the use of Tier III engines for reduced NOX.

Pollution 150

Pollution Emissions Mariner Fuel 150

Green Car Congress

MAY 24, 2011

The Prius plug-in hybrid (PHV), to be released next year, and a low-cost compact hybrid based on the Prius C design study ( earlier post ), to be introduced sometime afterward, will constitute the Prius family’s third and fourth vehicles, respectively. Comparison of the current Prius EHR system (left) and the Prius v EHR system (right).

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Prius Toyota North America MPG 186