Cleaner, Diesel, Exhaust and Study

HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

JANUARY 8, 2023

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions

Emissions Pollution Exhaust London

Study finds “markedly” high levels of diesel exhaust present in commuter trains powered by locomotives in pull-mode

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

Exhaust Diesel Power Powered

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

JANUARY 27, 2015

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

Exhaust

Exhaust Diesel Engine 2007

Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

Green Car Congress

APRIL 11, 2023

million fewer daily absences annually, according to a University of Michigan study. The suspected cause of these preventable absences is exposure to high levels of diesel exhaust fumes, which can leak into school bus cabins or enter buses through open windows. The program is ongoing.

Pollution

Pollution Cleaner 2012 EPA

The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

MAY 2, 2016

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

Exhaust

Exhaust Emissions Belgium Gasoline-Electric

KCL study finds London air pollution from traffic improving, but continues to exceed limits in many parts of city

Green Car Congress

SEPTEMBER 5, 2016

The study, published as an open-access paper in the journal Environmental Pollution , examined trends in air pollution over a ten-year period spanning 2005 to 2014, using data collected from 65 roads. Fitting new exhaust clean-up technology to older buses helped to curb nitrogen dioxide along some of London’s roads. Roadside PM 2.5

London

London Pollution Parts Exhaust

Auburn University leads $2M DOE Co-Optima project to evaluate renewable butyl acetate as diesel fuel additive

Green Car Congress

OCTOBER 22, 2018

Auburn University researchers are leading a $2-million US Department of Energy Co-Optima project ( earlier post ) that will evaluate renewable butyl acetate (BA) as a bio-based fuel additive that can be blended with diesel fuel to reduce soot and greenhouse gas emissions and yield cleaner engine operation in cold-weather conditions.

Universal

Universal Diesel Renewable Fuel

Argonne VERIFI researchers applying GSA to investigate combustion engine parameters; seeking cleaner and more efficient engines

Green Car Congress

JULY 18, 2014

By gaining a better understanding of how these parameter uncertainties affect outcomes, the VERIFI researchers, along with colleagues at the University of Connecticut, are seeking to create cleaner and more efficient engines. However, this approach has been studied extensively and is advantageous from a computational point of view.

Engine

Engine Cleaner Connecticut Diesel

Study finds highly-turbocharged alcohol-fueled DISI engines could be more efficient than diesels

Green Car Congress

NOVEMBER 1, 2010

Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.

Diesel

Diesel Engine Downsizing Fuel

Study finds biodiesel use in HD trucks in Canada will result in very minimal changes in air quality and health benefits

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

Canada 2006 Exhaust Emissions

Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

AUGUST 4, 2011

However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” Energy balance in an internal combustion engine. air-to-fuel ratio. combustion duration.

Mazda

Mazda Engine Gasoline Diesel

California ARB Report Finds Fine Particle Air Pollution Responsible for 9,000 Premature Deaths in State Each Year; Based on US EPA Peer-Reviewed Study

Green Car Congress

SEPTEMBER 1, 2010

microns—less than a human hair which averages 70 microns in diameter—is the product of a variety of sources including particles in the exhaust of diesel engines. In 1998, ARB declared particles in diesel exhaust a Toxic Air Contaminant, a designation that required the Board to take measures to reduce the risk.

Pollution

Pollution EPA California Diesel

California ARB petitions US EPA for “Tier 5” stricter locomotive emissions standards

Green Car Congress

APRIL 14, 2017

The proposed emission standards would cut toxic and smog-causing emissions by 85% for diesel particulate matter (PM) and 66% for oxides of nitrogen (NO x ) below current Tier 4 levels. The key technologies used to achieve these reductions in NO x and PM emissions are exhaust gas recirculation and improvements to the cooling system.

EPA

EPA Standards Emissions California

Regina steps up, adding 53 electric buses to its public transit fleet

Baua Electric

FEBRUARY 2, 2024

Electrek’s Take Every city should prioritize the adoption of electric buses over diesel due to the significant public health benefits and environmental advantages associated with electric transit. Doctors want you in EVs. FTC: We use income earning auto affiliate links.

Fleet

Fleet Climate Change Electric Electrical

NYSERDA awards $4.6M to 17 transportation projects; support for Syracuse U supercritical diesel injection project

Green Car Congress

FEBRUARY 9, 2011

Among the awards is support for a Syracuse University (with BorgWarner of Ithaca) project to prepare, inject and combust supercritical (SC) diesel fuel. The investments will support demonstration projects, new product development and feasibility studies. Earlier post.). The NYSERDA funding will leverage $7.5 NYSERDA funding: $500,000.

Diesel

Diesel Transportation New York Pollution

Model Fuels Consortium and Reaction Design developing predictive modeling software for soot particle size and number

Green Car Congress

NOVEMBER 15, 2011

The software will be used to develop cleaner-burning engines and potentially fuels in advance of impending regulations in the US and Europe, which call for limits on the size and number of soot particles emitted by passenger cars. This can shave days, weeks or months from a design cycle to get cleaner cars more quickly on the road.

Design

Design Fuel Cleaner San Diego

Hydrogen Opposed Piston Engine Working Group formed

Green Car Congress

MAY 26, 2022

A study of a 2017 Toyota Mirai fuel cell by Argonne National Laboratory found fuel cell stack efficiency below 50% and fuel cell system efficiency dropping below 40% at high loads. OP engines utilize direct injection after ports closure to avoid the risk of fuel short circuiting out the exhaust. Fuel Injection.

Hydrogen

Hydrogen Engine Saudi Arabia Universal

Neste and Boeing to partner on commercialization of renewable aviation fuels

Green Car Congress

NOVEMBER 5, 2015

Neste, the leading producer of renewable diesel and Boeing, the world’s largest aircraft manufacturer, will work together to promote and accelerate the commercialization of renewable aviation fuel. at the beginning of 2012.

Renewable

Renewable Commercial Fuel 2005

Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

Green Car Congress

AUGUST 21, 2009

Black carbon is produced largely by diesel vehicles and the burning of biomass, including in cookstoves in developing countries like China and India. Available technology such as diesel particulate filters for vehicles and cleaner- burning biomass and solar cookstoves can significantly reduce black carbon emissions.

Climate Change

Climate Change Ozone Climate Carbon

Dearman and Hubbard Products form technology partnership for zero-emission transport refrigeration

Green Car Congress

OCTOBER 9, 2015

Dearman, the developer of the liquid air Dearman Engine—an innovative heat engine that uses liquid air (or liquid nitrogen) as a “fuel” and emits cold air as exhaust( earlier post )—has formed a technology partnership with Hubbard Products, Europe’s leading designer, manufacturer and supplier of commercial cooling equipment.

Transportation

Transportation Emissions Production Pollution

Commercial Shipping Emits Almost Half As Much Particulate Pollution as Total Released by World’s Cars

Green Car Congress

FEBRUARY 27, 2009

Globally, commercial ships emit almost half as much particulate matter pollutants into the air as the total amount released by the world’s cars, according to a new study led by NOAA and the University of Colorado at Boulder. As a result, some ships use “cleaner,” low-sulfur fuels, while others continue to use the high-sulfur counterparts.

Pollution

Pollution Commercial Exhaust Cleaner

Next Generation Ford EcoBoost to Offer Cooled EGR; Exploring More Advanced Turbocharging, Ethanol Options

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

Ford Congress 2010 Gasoline

CCFA counters Paris mayor’s proposed total diesel ban with suggestion to focus on legacy fleet

Green Car Congress

DECEMBER 16, 2014

Among the elements of the plan are a total ban on diesel in Paris in 2020; the Rue de Rivoli and the Champs-Élysées to be dedicated to ultra-low emission clean vehicles; and the four districts of the center to be transformed into vast semi-pedestrian areas.

Diesel

Diesel Fleet Pollution Europe

Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Green Car Congress

JANUARY 28, 2014

According to the GNA report, heavy-duty diesel trucks are the largest contributors to the NO x inventories of the South Coast and San Joaquin Valley ozone non-attainment areas. All totaled, engine heat accounts for 26% of the fuel consumed, and exhaust heat accounts for another 24%. Click to enlarge. Click to enlarge.

Gas

Gas Climate Emissions California

Scuderi Group Will Present Results from Split-Cycle Prototype Testing at IAA

Green Car Congress

SEPTEMBER 8, 2009

The Scuderi Cycle is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders: one intake/compression cylinder and one power/exhaust cylinder. By firing after top-dead center, it produces efficient, cleaner combustion with one cylinder and compressed air in the other.

Congress

Congress Gasoline Detroit Cleaner

First Firing for the Scuderi Split-Cycle Engine

Green Car Congress

JULY 1, 2009

The Scuderi Engine is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders: one intake/compression cylinder and one power/exhaust cylinder. By firing after top-dead center, it produces highly efficient, cleaner combustion with one cylinder and compressed air in the other.

Engine

Engine Gasoline Congress Detroit

Scuderi Group Unveils Cutaway Model of First Production Prototype of Split Cycle Engine

Green Car Congress

APRIL 20, 2009

Subsequent implementation of the Split Cycle will be a turbocharged split cycle unit, an air hybrid version of the engine, and a diesel-fueled version. By firing after top-dead center (TDC), it produces highly efficient, cleaner combustion with one cylinder and compressed air in the other. Sal Scuderi. Earlier post.).

Engine

Engine San Antonio Production Concept Engine

Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Green Car Congress

JULY 17, 2015

The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. Though the PHEV combines the two types of energy and power, it is not merely a temporary “transition” between gasoline and diesel cars to pure electric cars. by Professor Andrew Alfonso Frank. It is much more than that.

PHEV

PHEV Plug-in Renewable Energy

New single-atom catalyst removes methane from engine exhaust at lower temperatures, while remaining stable at high temperatures

Green Car Congress

JULY 21, 2023

A new study by researchers from Washington State University and SLAC National Accelerator Laboratory has found that a catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engine exhaust at low temperatures. The work is published in the journal Nature Catalysis.

Exhaust

Exhaust Engine Gas Carbon

EV Driven

HEI launches two new non-tailpipe particulate emission studies

Study finds “markedly” high levels of diesel exhaust present in commuter trains powered by locomotives in pull-mode

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

The importance of considering non-exhaust traffic emissions; the role of EVs

KCL study finds London air pollution from traffic improving, but continues to exceed limits in many parts of city

Auburn University leads $2M DOE Co-Optima project to evaluate renewable butyl acetate as diesel fuel additive

Argonne VERIFI researchers applying GSA to investigate combustion engine parameters; seeking cleaner and more efficient engines

Study finds highly-turbocharged alcohol-fueled DISI engines could be more efficient than diesels

Study finds biodiesel use in HD trucks in Canada will result in very minimal changes in air quality and health benefits

Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

California ARB Report Finds Fine Particle Air Pollution Responsible for 9,000 Premature Deaths in State Each Year; Based on US EPA Peer-Reviewed Study

California ARB petitions US EPA for “Tier 5” stricter locomotive emissions standards

Regina steps up, adding 53 electric buses to its public transit fleet

NYSERDA awards $4.6M to 17 transportation projects; support for Syracuse U supercritical diesel injection project

Model Fuels Consortium and Reaction Design developing predictive modeling software for soot particle size and number

Hydrogen Opposed Piston Engine Working Group formed

Neste and Boeing to partner on commercialization of renewable aviation fuels

Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

Dearman and Hubbard Products form technology partnership for zero-emission transport refrigeration

Commercial Shipping Emits Almost Half As Much Particulate Pollution as Total Released by World’s Cars

Next Generation Ford EcoBoost to Offer Cooled EGR; Exploring More Advanced Turbocharging, Ethanol Options

CCFA counters Paris mayor’s proposed total diesel ban with suggestion to focus on legacy fleet

Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Scuderi Group Will Present Results from Split-Cycle Prototype Testing at IAA

First Firing for the Scuderi Split-Cycle Engine

Scuderi Group Unveils Cutaway Model of First Production Prototype of Split Cycle Engine

Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

New single-atom catalyst removes methane from engine exhaust at lower temperatures, while remaining stable at high temperatures

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