Exhaust, Fuel and Pollution

Emissions Analytics finds pollution from tire wear can be 1,000x worse than exhaust emissions

Green Car Congress

MARCH 8, 2020

Pollution from tire wear can be 1,000 times worse than a car’s exhaust emissions, Emissions Analytics has found. Emissions Analytics is an independent global testing and data specialist for the scientific measurement of real-world emissions and fuel efficiency for passenger and commercial vehicles and non-road mobile machinery.

Exhaust

Exhaust Emissions Pollution Standards

New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

MAY 13, 2022

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.

Exhaust

Exhaust Emissions Pollution Legal

Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

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

Pollution Exhaust Emissions Light

Study links air pollution to increased emergency department visits for heart and lung disease

Green Car Congress

NOVEMBER 11, 2018

New research by George Mason University found that exposure to certain air pollutants is linked to increased emergency department (ED) visits for respiratory and cardiovascular diseases. We estimated associations between twelve ambient air pollutants of both primary (e.g. The study is published in the journal Environment International.

Pollution

Pollution St. Louis Dallas Atlanta

New exhaust catalyst features thermal durability and high reactivity at low operating temperatures

Green Car Congress

MARCH 26, 2019

Catalytic converters have been used in the US since the 1970s as a way to clean up pollutants from vehicle exhaust. In the catalytic process, rare metals such as platinum, are used in a chemical reaction to convert carbon monoxide and other pollutants to non-toxic carbon dioxide, nitrogen, and water. —Yong Wang.

Exhaust

Exhaust Pollution Convert Universal

Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

Green Car Congress

APRIL 11, 2019

About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution

Pollution United Arab Emirates South Korea Las Vegas

Empa and partners exploring DME as fuel with new heavy-duty test engine

Green Car Congress

NOVEMBER 30, 2020

Empa, together with FPT Motorenforschung AG Arbon, Politechnico di Milano, lubricant manufacturer Motorex and other partners, is exporing the use of DME as a fuel for heavy-duty engines. An electrically driven compressor for precise exhaust gas recirculation is also used. This is done via exhaust gas recirculation (EGR).

Engine

Engine Fuel Exhaust Gas-Electric

Shanghai to spend $1.63B over next 3 years to target air pollution, especially PM2.5

Green Car Congress

FEBRUARY 29, 2012

billion) on 53 projects targeting air pollution, especially for PM2.5 Exhaust from motor vehicles and boats account for 25% of the PM 2.5 , according to the Shanghai Environmental Protection Bureau said yesterday. Currently, there are over 200,000 high-polluting vehicles on local roads. Shanghai Daily. billion yuan (US$1.63

Pollution

Pollution Exhaust Cleaner 2014

ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

Green Car Congress

JANUARY 29, 2020

The results of a new analysis by the International Council on Clean Transportation (ICCT) show that, when combined with a trend toward higher methane leakage and combustion slip, there is no climate benefit from using liquefied natural gas (LNG) as a marine fuel—regardless of the engine technology. First, it contains very little sulfur.

Mariner

Mariner Climate Fuel Oil

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

AUGUST 14, 2023

A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion.

Engine

Engine Emissions Diesel Fuel

UC Riverside team examines influence of mid-and high-level ethanol blends on pollution from GDI flex fuel vehicle

Green Car Congress

JANUARY 2, 2019

Their paper is published in the ACS journal Energy & Fuels. Regulated emissions for all test fuels over the cold-start and hot-start LA92 cycles. A fuel economy penalty was also observed for lower energy content E30 and E78 blends compared to both E10 fuels. Data presented as mean ± standard deviation, N=3.

Pollution

Pollution Fuel Emissions Vehicles

DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

Green Car Congress

MARCH 31, 2014

The selected projects include 6 vehicle-related technologies and 2 hydrogen and fuel cell technologies, as well as new hydropower, heat pump, solar and manufacturing technologies. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. A Novel Exhaust after Treatment Catalyst. Nextech Materials.

Exhaust

Exhaust Wind 2014 Motor

New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

Green Car Congress

AUGUST 17, 2012

Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho.

Exhaust

Exhaust Diesel Dallas Conversion

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Green Car Congress

OCTOBER 20, 2012

L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel. Their paper appears in the ACS journal Energy & Fuels. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. L) and medium-duty (6.4 L/2002 calibration and 6.4

Pollution

Pollution Diesel Emissions Engine

Study finds NYC Clean Air Taxi rules successful in cutting pollution

Green Car Congress

MAY 30, 2019

New York City Clean Air Taxi rules are successful in cutting emissions and reducing air pollution, [link] to a new study by researchers at the Columbia University Mailman School of Public Health and Drexel University. The scientists report that overall fuel efficiency of the medallion taxi fleet climbed from 15.7

Taxi

Taxi Pollution Clean Cleaning

Cessna bringing Jet A fuel engine to piston market; 30-40% more fuel efficient than avgas engines

Green Car Congress

JULY 28, 2012

company, is introducing a single-engine airplane—the new Turbo 182 Skylane—equipped with the first engine of its kind in the single-engine industry designed to run on Jet A aviation fuel. Intended for general aviation piston engine that operates on a diesel cycle and uses a standard fuel Jet A/1A. Click to enlarge.

Engine

Engine Fuel Market 2007

Achates opposed-piston 3-cylinder 10.6L diesel emissions meet 2027 EPA, CA requirements

Green Car Congress

DECEMBER 18, 2020

It is a major development for a project that aims to improve the environmental performance of commercial vehicles using hydrocarbon fuels. These results show that the Opposed-Piston technology is able to meet our sustainable transportation goals, reducing criteria pollutants while also emitting less carbon dioxide. Earlier post.).

EPA

EPA Diesel Emissions San Diego

SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

Green Car Congress

OCTOBER 11, 2021

Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.

Cleaner

Cleaner Diesel Engine Fuel

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

Green Car Congress

MAY 27, 2020

Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. Making a relevant impact on pollutants requires a whole system approach. g/hp-hr NO x emissions).

Engine

Engine Emissions Diesel 2020

IPG to demo Flameless Ceramic Turbine for clean, off-grid power in EV charging

Green Car Congress

NOVEMBER 1, 2020

It operates at high temperatures—above the temperature for spontaneous reaction from any fuel—to enable combustion without a flame. Low-cost ceramics enable temperatures beyond the limitations of metals to deliver fuel efficiencies of power plants in small-scale distributed power.

Grid

Grid Cleaning Clean Power

Study finds use of high cetane fuel reduces all primary pollutants under advanced diesel combustion mode

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. HECC produces a decrease in both NO x and PM emissions while maintaining, or even increasing, fuel efficiency. Credit: ACS, Lilik and Boehman.

Diesel

Diesel Pollution Fuel Emissions

WinGD and HHI-EMD extend collaboration to develop sustainable two-stroke engine technology

Green Car Congress

NOVEMBER 6, 2021

The cooperation will aim to further enhance WinGD’s dual-fuel, low-pressure X-DF engines. Key goals are to further reduce greenhouse gas emissions and toxic air pollutants such as NO x , cut fuel consumption and minimize the engine footprint through an integrated design optimized for both newbuilds and retrofits. development.

Engine

Engine Exhaust Gas Mariner

Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Green Car Congress

APRIL 7, 2022

The Achates Power ultra-low-NOx engine is engineered to achieve superior fuel efficiency because of its lower heat losses, improved combustion and reduced pumping losses. The catalyst light-off mode delivers the capability that allows Achates to manage extremely low engine-out NO x and also very high exhaust gas temperatures.

Diesel

Diesel Fleet Peterbilt Eaton

IHS: continued legislative focus on pollutants to drive sensor market for internal combustion engines

Green Car Congress

JULY 24, 2014

The global market for sensors used in internal combustion engines (ICE) is on the road of steady growth for the next few years, propelled by increasing utilization in engine management and exhaust aftertreatment, according to a new report from IHS Technology. IHS projects that sensor shipments for ICEs will top 1.34 billion in 2013.

Pollution

Pollution Engine International Market

Researchers clarify links between NOx and airborne sulfates to tackle hazy air pollution

Green Car Congress

DECEMBER 25, 2019

Among pollutants that are less than 2.5 microns in diameter (PM2.5 ), airborne sulfate is one of the most common components of hazy air pollution formed atmospherically via the oxidation of sulfur dioxide (SO 2 ). Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM 2.5 —Prof.

Pollution

Pollution Environment Emissions Coal

IMO sub-committee moving forward on prohibiting carriage of high-sulfur fuel oil

Green Car Congress

FEBRUARY 10, 2018

The International Maritime Organization (IMO) Sub-Committee on Pollution Prevention and Response (PPR) has agreed to move forward with a prohibition on the carriage of high-sulfur fuel oil for use on board ships, when that fuel oil is not compliant with a new low-sulfur limit which comes into force from 2020. of MARPOL Annex VI.

Oil

Oil Fuel Pollution Mariner

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

Green Car Congress

JUNE 8, 2023

The levels of these non-fuel-derived gases will likely remain unchanged, even as more drivers transition from gas-powered to electric vehicles. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g., Cliff et al. the products used for “car care,” such as windshield washer fluid. Lewis, Marvin D.

Emissions

Emissions Exhaust Cars Ozone

ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

Green Car Congress

FEBRUARY 27, 2023

A new briefing paper from Imperial College London estimates that in 2021, 52% of all small particle pollution from road transport came from tires and brakes. Despite this, research on the environmental and health impacts of tire wear has been neglected in comparison to the research and innovations dedicated to tackling fuel emissions.

Pollution

Pollution Transportation London Environment

Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

Green Car Congress

JANUARY 15, 2012

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.

Exhaust

Exhaust Diesel West Virginia 2007

European Commission proposes Euro 7 standards

Green Car Congress

NOVEMBER 12, 2022

The European Commission presented its proposal for Euro 7 standards to reduce air pollution from new motor vehicles sold in the EU. However, in 2050, more than 20% of cars and vans and more than half of the heavier vehicles are expected to continue to emit pollutants from the tailpipe.

Standards

Standards Pollution Emissions All-Electric

HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

JANUARY 8, 2023

Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles. 10 ) of urban air, a fraction known to be enriched with non-tailpipe constituents.

Emissions

Emissions Pollution Exhaust London

Virginia Tech team developing intelligent wearable analyzer for pollutants in transportation-related workplaces

Green Car Congress

FEBRUARY 24, 2020

According to Agah, a renowned researcher in chip-scale gas chromatography and Office of the Vice President for Research and Innovation Faculty Fellow, the development of effective strategies for reducing occupational exposure to pollutants requires accurate, time-resolved measurement of exposure.

Virginia

Virginia Pollution Transportation Exhaust

UBC researchers find life-cycle GHG benefits of LNG in marine shipping only from high-pressure dual-fuel engines in ocean-going vessels

Green Car Congress

MAY 20, 2019

A life-cycle assessment of emissions from domestic and imported liquefied natural gas (LNG), and heavy-fuel oil (HFO) for marine shipping by a team from the University of British Columbia has found that only high-pressure dual-fuel (HPDF) engines robustly reduce well-to-wake GHG emissions by 10% compared with their HFO-fueled counterparts.

Mariner

Mariner Engine Fuel Exhaust

Researchers develop effective exhaust catalyst for lower temperature exhaust

Green Car Congress

DECEMBER 15, 2017

To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of waste heat in the exhaust. As a result, future generations of exhaust after-treatment catalysts must perform at temperatures that are 100 °C lower than current catalysts.

Exhaust

Exhaust New Mexico Mexico Washington

Study Measures Impact of Biodiesel on Non-Regulated Pollutants in Heavy-Duty Engine

Green Car Congress

OCTOBER 3, 2010

A team from the US National Renewable Energy Laboratory and the Colorado School of Mines has measured gas phase and particle-associated non-regulated pollutant emissions from a heavy-duty engine operating both with and without a catalyzed DPF and operating on biodiesel fuel. Ratcliff, A. McCormick, and Kent J.

Pollution

Pollution Engine Ireland 2002

Corning expands light-duty vehicle exhaust filter capacity in Germany

Green Car Congress

NOVEMBER 1, 2014

Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions. For gasoline vehicles, direct injection (GDI) engines are growing in popularity as drivers demand more fuel efficiency and engine power.

Germany

Germany Exhaust Light Fuel Economy

UNFI adding 53 all-electric TRUs to California fleet

Green Car Congress

MAY 7, 2021

The all-electric TRU achieves zero-emission results by using a high efficiency refrigeration system powered by roof-mounted solar photovoltaic panels, a wheel-momentum generator, lithium-ion batteries, and a unique auxiliary power unit to eliminate the requirement for diesel fuel to power the refrigeration system.

All-Electric

All-Electric Fleet California Lithium Ion

ClearFlame Engine Technologies completes on-road demo of Class 8 truck with Cummins X15 running E98 ethanol

Green Car Congress

FEBRUARY 10, 2022

ClearFlame Engine Technologies, a a startup developing net-zero engine technology ( earlier post ), successfully completed an on-road demonstration of its proprietary technology that enables a heavy-duty truck diesel engine to operate on low-carbon and carbon-negative fuels, including 100% renewable plant-based fuels.

Engine

Engine Diesel Exhaust Fuel

Tsinghua/Argonne Study Finds That Mass Use of EVs in China Could Result in Higher CO2 and Criteria Pollutant Emissions Than Conventional and Hybrid Gasoline Vehicles Due to Coal-Fired Generation of Electricity

Green Car Congress

MAY 25, 2010

Fuel-cycle SO 2 emissions of EVs compared to those of gasoline ICEVs and HEVs in China, current (left) and future (right). The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids.

Coal

Coal Gasoline-Electric Gasoline Pollution

EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

MAY 7, 2010

The US Environmental Protection Agency (EPA) is proposing to make it easier for manufacturers to gain approval to sell fuel conversion systems. The proposed rule would cover conversions of light-duty vehicles and heavy-duty highway vehicles and engines, and would apply to all clean alternative fuels. Exhaust, Evap, and OBD testing 2.

Conversion

Conversion EPA Fuel Clean Alternative

SwRI and USTA researchers to develop a novel catalyst for low-temperature SCR

Green Car Congress

JUNE 24, 2014

One of the main groups of pollutants resulting from fuel combustion is the oxides of nitrogen, or NO x. Future fuel economy standards will result in lower exhaust gas temperatures and limit the use of high-temperature SCR. SwRI and UTSA plan to develop a novel catalyst for low-temperature SCR to reduce emissions.

San Antonio

San Antonio Exhaust Clean Emissions Fuel Economy

Chevron fined $422,500 for 3 instances of non-compliant fuels in California; ethanol, olefin and cetane issues

Green Car Congress

JULY 19, 2013

has paid $422,500 in penalties for supplying gasoline and diesel fuel in violation of California regulations designed to protect air quality. million gallons of fuel were in violation of state regulations. In the third, ARB enforcement staff discovered the violation as a result of routine fuel sampling. Chevron USA Inc.

Chevron

Chevron California San Jose Fuel

U. Houston-led project looking for new exhaust treatment catalysts for low-temperature lean-burn combustion engines

Green Car Congress

SEPTEMBER 21, 2017

million project to find new catalytic materials that work at lower exhaust temperatures, allowing automakers to build vehicles that operate more efficiently while retaining the ability to clean emissions before they leave the tailpipe. Catalytic converters clean vehicle exhaust into nitrogen, water and carbon dioxide.

Houston

Houston Exhaust Engine Chrysler

Renault introducing three Energy engines in the Mégane Collection 2012; fuel economy up to 67 mpg US

Green Car Congress

MARCH 2, 2012

The Energy dCi 110 diesel offers fuel consumption of 3.5 Renault is introducing three new Energy engines ( earlier post ) in its Mégane Collection 2012: the new turbocharged, gasoline direct-injection Energy TCE 115 di; the Energy dCi 130; and the Energy dCi 110, with NEDC fuel consumption of 3.5 L/100km, equivalent to 67 mpg US.

Fuel Economy

Fuel Economy MPG 2012 Engine

Emissions Analytics finds pollution from tire wear can be 1,000x worse than exhaust emissions

New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

Study links air pollution to increased emergency department visits for heart and lung disease

New exhaust catalyst features thermal durability and high reactivity at low operating temperatures

Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

Empa and partners exploring DME as fuel with new heavy-duty test engine

Shanghai to spend $1.63B over next 3 years to target air pollution, especially PM2.5

ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

UC Riverside team examines influence of mid-and high-level ethanol blends on pollution from GDI flex fuel vehicle

DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Study finds NYC Clean Air Taxi rules successful in cutting pollution

Cessna bringing Jet A fuel engine to piston market; 30-40% more fuel efficient than avgas engines

Achates opposed-piston 3-cylinder 10.6L diesel emissions meet 2027 EPA, CA requirements

SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

IPG to demo Flameless Ceramic Turbine for clean, off-grid power in EV charging

Study finds use of high cetane fuel reduces all primary pollutants under advanced diesel combustion mode

WinGD and HHI-EMD extend collaboration to develop sustainable two-stroke engine technology

Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

IHS: continued legislative focus on pollutants to drive sensor market for internal combustion engines

Researchers clarify links between NOx and airborne sulfates to tackle hazy air pollution

IMO sub-committee moving forward on prohibiting carriage of high-sulfur fuel oil

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

European Commission proposes Euro 7 standards

HEI launches two new non-tailpipe particulate emission studies

Virginia Tech team developing intelligent wearable analyzer for pollutants in transportation-related workplaces

UBC researchers find life-cycle GHG benefits of LNG in marine shipping only from high-pressure dual-fuel engines in ocean-going vessels

Researchers develop effective exhaust catalyst for lower temperature exhaust

Study Measures Impact of Biodiesel on Non-Regulated Pollutants in Heavy-Duty Engine

Corning expands light-duty vehicle exhaust filter capacity in Germany

UNFI adding 53 all-electric TRUs to California fleet

ClearFlame Engine Technologies completes on-road demo of Class 8 truck with Cummins X15 running E98 ethanol

Tsinghua/Argonne Study Finds That Mass Use of EVs in China Could Result in Higher CO2 and Criteria Pollutant Emissions Than Conventional and Hybrid Gasoline Vehicles Due to Coal-Fired Generation of Electricity

EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

SwRI and USTA researchers to develop a novel catalyst for low-temperature SCR

Chevron fined $422,500 for 3 instances of non-compliant fuels in California; ethanol, olefin and cetane issues

U. Houston-led project looking for new exhaust treatment catalysts for low-temperature lean-burn combustion engines

Renault introducing three Energy engines in the Mégane Collection 2012; fuel economy up to 67 mpg US

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