Diesel, Emissions and Pollution

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

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 ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust

Exhaust Emissions Pollution Legal

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. g/hp-hr NO x emissions). g/hp-hr NO x emissions). The work is described in a pair of SAE Technical Papers.

Engine

Engine Emissions Diesel 2020

FCA US LLC to pay ~$300M in criminal penalties over diesel emissions test cheating

Green Car Congress

AUGUST 2, 2022

liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel engine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel program’s goals, timing, and marketing strategy.

Emissions

Emissions Diesel Jeep United States

New study shows a rapid increase of diesel-fueled backup generators across California

Green Car Congress

OCTOBER 7, 2021

New research by economic and public policy consulting group M.Cubed finds a proliferation of backup generators across California, with nearly 90% being diesel-fueled, posing significant obstacles to achieving greenhouse gas reduction targets and driving nearly $136 million in annual health costs. Of these, 20,907 are diesel-fueled.

Diesel

Diesel California Fuel San Francisco

New analysis suggests Uber adding significantly to pollution and traffic in European cities

Green Car Congress

NOVEMBER 23, 2019

Uber is adding more polluting car trips to already-clogged European cities such as London and Paris, new analysis by European NGOs suggests —contributing to air pollution and climate change and exploding the company’s sustainability claims. Source: “Europe’s giant ‘taxi’ company: is Uber part of the problem or the solution?”.

Pollution

Pollution Taxi London San Francisco

CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Green Car Congress

AUGUST 24, 2023

Clean fuels replaced more than 50% of the diesel used in the state in the first quarter of 2023, according to the California Air Resources Board (CARB). billion gallons of diesel. Since compliance began, the program has helped to replace more than 8.6

Clean

Clean Cleaning Diesel California

Fiat pays CARB $6.4M penalty for diesel emissions violations

Green Car Congress

APRIL 18, 2019

for emissions-related violations affecting nearly 2,000 on-road and off-road diesel engines. Emission-related field fixes must be reviewed and approved by CARB to ensure they don’t increase emissions. million will be paid to the Air Pollution Control Fund to support air pollution research and education.

Emissions

Emissions Diesel Pollution 2014

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

FEBRUARY 27, 2024

Diesel cars are a popular choice for those looking to buy a used vehicle in Asia, Europe, and elsewhere. After all, diesel cars cost less to maintain, burn less fuel, and have a longer engine life. Older models don’t even have the emission-control features that newer ones do.

Carbon

Carbon Diesel Emissions Bangladesh

Research consortium investigating use of DME blends in diesels with minimal retrofitting

Green Car Congress

JUNE 23, 2023

A research consortium led by Ford Research and Innovation Center Aachen is currently investigating the technical conditions under which diesel vehicles can run on dimethyl ether (DME) as an alternative fuel. With dynamic blending, even flex-fuel operation (diesel or DME/diesel) would be possible while retaining the original diesel system.

Diesel

Diesel Alternative Fuels Fuel Gas

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

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

Green Car Congress

APRIL 7, 2022

liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. Achates Power announced that the 10.6-liter, liter engine.

Diesel

Diesel Fleet Peterbilt Eaton

US EPA awards $9.6M in DERA grants to reduce harmful diesel emissions in California

Green Car Congress

OCTOBER 23, 2018

million in Diesel Emission Reduction Act (DERA) grants to public and private partners in California. The funds will be used to retrofit and replace old, polluting diesel vehicles and equipment, including school buses, heavy-duty trucks, tractors and port equipment. The US Environmental Protection Agency (EPA) awarded $9.6

Grant

Grant Los Angeles Diesel California

Neste charters two new lower-emission tankers from Terntank; methanol and sails

Green Car Congress

APRIL 3, 2023

Neste has signed an agreement to charter two new lower-emission product tankers from Terntank. At the refineries, products such as renewable diesel and sustainable aviation fuel (SAF) will be loaded for transport. The ships can operate on new low-emission fuels such as e-methanol to meet net-zero emission goals.

Emissions

Emissions Renewable Waste Pollution

Gaping hole in pollution policy: Non-road diesel engines face noxious emissions standard

The Driven EV News

JULY 2, 2023

Non-road diesel engines burn through as much as diesel as Australia's 5 million on-road diesel vehicles. The post Gaping hole in pollution policy: Non-road diesel engines face noxious emissions standard appeared first on The Driven. But they are completely unregulated, and deadly.

Pollution

Pollution Diesel Standards Emissions

EPA announces $46M for latest Diesel Emissions Reduction Act funding

Green Car Congress

JANUARY 16, 2021

The US Environmental Protection Agency (EPA) announced the availability of grant funding to implement projects which reduce emissions from the nation’s existing fleet of older diesel engines. Under this competition, EPA anticipates awarding between 40 and 70 assistance agreements.

EPA

EPA Diesel Puerto Rico Emissions

EPA requires trucking companies to reduce air pollution near Los Angeles schools as part of emissions violation settlement

Green Car Congress

NOVEMBER 1, 2018

The companies failed to install particulate filters on some of their heavy-duty diesel trucks and failed to verify that trucks they hired for use in California complied with the state rule. Heavy-duty trucks can emit drastically higher levels of pollution when not equipped with required emissions controls.

Los Angeles

Los Angeles Pollution EPA Emissions

Greyrock, NREL study determines reduction in GHG and criteria pollutant emissions from using synthetic fuels produced from flare gas

Green Car Congress

JULY 11, 2018

A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. 0.37, 42.4,

Pollution

Pollution Gas Emissions Fuel

Vitesco Technologies wins major order for electric heating elements for diesel catalytic converters in 48V MHEVs

Green Car Congress

MARCH 15, 2020

Vitesco Technologies, formerly (until September 2019) the Continental Powertrain Division, has won a major contract from an European vehicle manufacturer for the supply of innovative electric heating elements for diesel catalytic converters. In the extremely slow “Traffic for London” cycle, NO x emissions fell by 62%.

Convert

Convert Diesel Exhaust Gas-Electric

Study: curbing diesel emissions could reduce mortality rates in big cities

Green Car Congress

OCTOBER 1, 2019

Freight transportation is a pillar of the US national economy, but while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said.

Emissions

Emissions Diesel Ozone United States

US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

Green Car Congress

SEPTEMBER 15, 2020

The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.

District of Columbia

District of Columbia Emissions Diesel Mercedes

Truck modifiers behind "Diesel Brothers" hit with $850,000 fine for pollution

Green Car Reports

MARCH 11, 2020

A federal judge has ordered the stars of the Discovery Channel show Diesel Brothers to pay an $851,451 fine for air pollution, according to The Salt Lake Tribune. David "Heavy D" Sparks and David "Diesel Dave" Kiley, along with other defendants in the case, run a Utah-based shop that modifies diesel.

Pollution

Pollution Diesel Utah Emissions

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

In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. Cliff et al. —Cliff et al.

Emissions

Emissions Exhaust Cars Ozone

Tula study shows electrified DSF for LDV mild hybrid diesels reduces CO2 emissions by up to 11%

Green Car Congress

JUNE 29, 2021

The study validated that Tula’s Dynamic Skip Fire (DSF) developed for mild-hybrid diesel vehicles reduced CO 2 emissions in a 2.3 We call it electrified diesel Dynamic Skip Fire, or edDSF, and it will help manufacturers of light commercial vehicles meet challenging NO x standards in a cost-effective manner.

Diesel

Diesel CO2 Emissions Hybrid

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

CARB approves new requirements to further reduce air pollution from Transport Refrigeration Units

Green Car Congress

FEBRUARY 25, 2022

The 2022 amendments will require a variety of actions designed to reduce the pollution these units produce, and accelerate their transition to zero-emission technologies. The new requirements include the transition of diesel-powered truck TRUs to zero?emission; road particulate matter emission standard for 25?50

Pollution

Pollution Transportation California Emissions

U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

Green Car Congress

MARCH 29, 2023

A study by researchers at the University of Birmingham in the UK has found that while Diesel Oxidation Catalysts (DOCs) and Diesel Particle Filters (DPFs) has been very effective in controlling the tailpipe emissions of solid particles, there has been little change in the liquid mode ( 104 cm −3 /24-hour mean) defined by WHO.

Emissions

Emissions Diesel London Environment

European Parliament votes to phase out conformity factor for new car emissions under real driving conditions by Sep 2022

Green Car Congress

SEPTEMBER 18, 2020

As of September 2022, new cars must meet EU limits on NO x emissions under real driving conditions to comply with air pollution limits, the European Parliament has voted. Data on car emissions such as NO x had been obtained through laboratory tests. The conformity factor was particularly useful for diesels.

Emissions

Emissions Pollution Cars Diesel

UC Riverside engineers to “referee” CARB heavy-duty truck emissions program

Green Car Congress

MARCH 28, 2023

University of California, Riverside (UCR) environmental engineers will soon serve as referees in California’s drive for heavy-duty trucks to meet the state’s tailpipe emission standards. The referee program will provide testing services for vehicles potentially operating with tampered emissions control systems and/or testability issues.

Emissions

Emissions Engine Fresno Iowa

Global Clean Energy buys Bakersfield refinery for $40M, converting to produce renewable diesel

Green Car Congress

MAY 9, 2020

Historically, the refinery has produced diesel from crude oil and has a capacity of 70,000 barrels per day. GCEH will immediately commence retooling the refinery to produce renewable diesel from organic feedstocks such as vegetable oils. a Primoris Services Corp subsidiary.

Renewable

Renewable Diesel Clean Cleaning

Ricardo testing finds DPF regeneration spikes particulate emissions, resulting in exceedance of Euro limits

Green Car Congress

JANUARY 14, 2020

Testing of two popular Euro 6d-temp diesels by Ricardo, commissioned by the environmental NGO Transport & Environment (T&E), has found that the periodic regeneration of diesel particulate filters (DPFs) in the light-duty vehicles can generate spikes of particulate emissions of more than 1,000 times the normal rate.

Emissions

Emissions Legal Pollution Diesel

T&E: tests show cars powered by electrofuels emit high levels of criteria pollutants

Green Car Congress

DECEMBER 7, 2021

E-fuels are made by combining green hydrogen with CO 2 to produce liquid fuel that can be similar to gasoline or diesel used in conventional engines (as well as kerosene used in aviation). The emissions were compared to the standard E10 EU gasoline. A substantial decrease in particle emissions was observed on all tests.

Pollution

Pollution Gasoline-Electric Gasoline Power

California Announces Diesel Emissions Reduction Rules For Trucks & Trains

CleanTechnica EVs

MAY 2, 2023

California has begun the process of phasing out diesel trucks as it moves further toward a zero emissions economy.

California

California Diesel Emissions Economy

Dearman flags diesel loophole in new London T-Charge anti-pollution scheme

Green Car Congress

OCTOBER 23, 2017

Dearman, the UK-based developer of clean cold power systems based on its engine powered by liquid nitrogen ( earlier post ), has identified a diesel loophole in the new London T-Charge levy on the most polluting vehicles. However, Dearman notes, many refrigerated delivery trucks use two diesel engines. Earlier post.).

London

London Pollution Diesel Charging

EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

APRIL 1, 2023

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

EPA

EPA Grant Standards Emissions

In-use emissions report for Achates heavy-duty OP diesel shows substantial margin to most stringent EPA NOx proposed regulation

Green Car Congress

APRIL 20, 2022

Achates Power has released initial in-use NO x measurements from the cleaner, heavy-duty diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners. Both CARB and EPA have introduced Low Load requirements, in-use NO x measurement updates, and limits on permissible real-world emissions.

EPA

EPA Emissions Peterbilt Diesel

EPHA: Coronavirus threat greater for polluted cities; clean air returning to cities in lockdown

Green Car Congress

MARCH 17, 2020

Those living in polluted cities are more at risk from COVID-19, the European Public Health Alliance (EPHA) warned today. Air pollution can cause hypertension, diabetes and respiratory diseases, conditions that doctors are starting to link to higher mortality rates for COVID-19. The European Respiratory Society (ERS) is an EPHA member.

Pollution

Pollution Clean Cleaning Italy

CARB approves updated “At-Berth” regulation, expanding efforts to cut pollution from ships in California ports

Green Car Congress

AUGUST 28, 2020

The California Air Resources Board approved a new regulation designed to reduce pollution further from ocean-going vessels while docked at California’s busiest ports. That rule has achieved an 80% reduction in harmful emissions from more than 13,000 vessel visits since 2014.

Pollution

Pollution California Los Angeles Long Beach

York study: Less traffic in first UK lockdown reduced NO2 pollution but caused increase in surface ozone

Green Car Congress

DECEMBER 27, 2020

Less traffic on the roads during the first COVID-19 lockdown in the UK led to a reduction in air pollution but may have caused potentially damaging surface ozone levels to rise, according to a new study led by researchers at the University of York. The 25–75% range is shown by the shaded area. These results are a cautionary tale.

Ozone

Ozone Pollution 2020 2015

California ARB hosting public workshop to discuss reducing in-use emissions from HD diesel

Green Car Congress

JANUARY 16, 2019

The California Air Resources Board (CARB) staff will host a public workshop on 11 February to discuss ideas and strategies to reduce in-use emissions from heavy-duty diesel vehicles operating in the State of California.

California

California Emissions Diesel IDEA

Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

Green Car Congress

SEPTEMBER 23, 2020

Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. This allows for more efficient conversion of pollutants in the catalyst and reduced NO x , at no additional after treatment hardware cost.

Diesel

Diesel Future Fuel Economy China

Mayor of London expanding Ultra Low Emission Zone London-wide; new £110M scrappage scheme

Green Car Congress

NOVEMBER 26, 2022

The Mayor of London, Sadiq Khan, will expand the Ultra Low Emission Zone (ULEZ) ( earlier post ) London-wide. The expansion will come into effect on 29 August 2023 and will operate across all London boroughs up to the existing Low Emission Zone boundary for large and heavy vehicles. Source: Transport for London. Source TfL.

Scrappage

Scrappage London Emissions Pollution

Final California deadline for upgrading heavy-duty diesels to MY2010 or newer engines

Green Car Congress

JANUARY 3, 2023

California’s Truck and Bus regulation ( earlier post ) has been in effect since December 2008, with the purpose of reducing emissions of diesel particulate matter (PM), oxides of nitrogen (NO x ) and other criteria pollutants from in-use diesel-fueled vehicles. Public agency and utility vehicles (not federal).

California

California Diesel Engine Personal

Study links exposure to diesel exhaust particles to pneumococcal disease susceptibility

Green Car Congress

JANUARY 26, 2020

Researchers from the University of Liverpool, Queen Mary University, London and Trinity College Dublin have linked exposure to diesel exhaust particles (DEPs) to susceptibility to pneumococcal disease. Many of these fatalities have been linked to exposure to high levels of airborne particulates, such as diesel exhaust particles (DEPs).

Exhaust

Exhaust Diesel Pollution Insight

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

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

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

FCA US LLC to pay ~$300M in criminal penalties over diesel emissions test cheating

New study shows a rapid increase of diesel-fueled backup generators across California

New analysis suggests Uber adding significantly to pollution and traffic in European cities

CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Fiat pays CARB $6.4M penalty for diesel emissions violations

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Research consortium investigating use of DME blends in diesels with minimal retrofitting

HEI launches two new non-tailpipe particulate emission studies

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

US EPA awards $9.6M in DERA grants to reduce harmful diesel emissions in California

Neste charters two new lower-emission tankers from Terntank; methanol and sails

Gaping hole in pollution policy: Non-road diesel engines face noxious emissions standard

EPA announces $46M for latest Diesel Emissions Reduction Act funding

EPA requires trucking companies to reduce air pollution near Los Angeles schools as part of emissions violation settlement

Greyrock, NREL study determines reduction in GHG and criteria pollutant emissions from using synthetic fuels produced from flare gas

Vitesco Technologies wins major order for electric heating elements for diesel catalytic converters in 48V MHEVs

Study: curbing diesel emissions could reduce mortality rates in big cities

US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

Truck modifiers behind "Diesel Brothers" hit with $850,000 fine for pollution

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

Tula study shows electrified DSF for LDV mild hybrid diesels reduces CO2 emissions by up to 11%

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

CARB approves new requirements to further reduce air pollution from Transport Refrigeration Units

U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

European Parliament votes to phase out conformity factor for new car emissions under real driving conditions by Sep 2022

UC Riverside engineers to “referee” CARB heavy-duty truck emissions program

Global Clean Energy buys Bakersfield refinery for $40M, converting to produce renewable diesel

Ricardo testing finds DPF regeneration spikes particulate emissions, resulting in exceedance of Euro limits

T&E: tests show cars powered by electrofuels emit high levels of criteria pollutants

California Announces Diesel Emissions Reduction Rules For Trucks & Trains

Dearman flags diesel loophole in new London T-Charge anti-pollution scheme

EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

In-use emissions report for Achates heavy-duty OP diesel shows substantial margin to most stringent EPA NOx proposed regulation

EPHA: Coronavirus threat greater for polluted cities; clean air returning to cities in lockdown

CARB approves updated “At-Berth” regulation, expanding efforts to cut pollution from ships in California ports

York study: Less traffic in first UK lockdown reduced NO2 pollution but caused increase in surface ozone

California ARB hosting public workshop to discuss reducing in-use emissions from HD diesel

Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

Mayor of London expanding Ultra Low Emission Zone London-wide; new £110M scrappage scheme

Final California deadline for upgrading heavy-duty diesels to MY2010 or newer engines

Study links exposure to diesel exhaust particles to pneumococcal disease susceptibility

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