Emissions, Gasoline and Pollution

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

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

AECC presents zero-impact emissions demonstrator car at Vienna Motor Symposium

Green Car Congress

MAY 2, 2022

The European Association for Emissions Control by Catalyst (AECC) presented its zero-impact emissions demonstrator car at the Vienna Motor Symposium, 27-29 April. At the same time, Well-to-Wheel (WtW) CO 2 emissions are substantially reduced by running the vehicle on an e-fuel. Resources.

Emissions

Emissions Motor Motoring Motors

Webinars

Tara's Event

MORE WEBINARS

California “gasoline superuser” bill advances; focusing ZEV incentives on reducing gasoline use

Green Car Congress

APRIL 20, 2022

By shifting the biggest gasoline users into ZEVs first, AB 2816 also reduces the total number of ZEVs that would be needed to reach the state’s near-term target of cutting light-duty vehicle emissions in half by 2030. California’s biggest gasoline users currently are on track to be the last people to switch to ZEVs.

Gasoline

Gasoline California San Francisco Jordan

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. Click to enlarge.

Pollution

Pollution Exhaust Emissions Light

New study finds gasoline stations vent up to 10x more benzene fumes than previously thought

Green Car Congress

OCTOBER 6, 2018

A study led by environmental health scientists at Columbia University Mailman School of Public Health examined the release of vapors from gasoline station vent pipes, and found benzene emissions were 10 times higher than estimates used in setback regulations that determine how close schools, playgrounds, and parks can be to the facilities.

Gasoline

Gasoline New York City Pollution Gas

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

Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

Green Car Congress

APRIL 29, 2014

A study by a pair of researchers at Northwestern University found that when fuel prices drove residents of São Paulo, Brazil, to switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. At the same time, nitric oxide and carbon monoxide concentrations tended to go up. 3 , respectively, being 2.7

Ozone

Ozone Gasoline Pollution Gasoline-Electric

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 that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

Green Car Congress

MARCH 16, 2012

Environmental impacts of gasoline and E85. If greenhouse gas (GHG) emissions from indirect land use (iLUC) changes are included in the analysis, the differences increase to between 16% and 118% (33% on average). Process flow diagrams for E85 and gasoline. Error bar shows regional variations for E85. GW = global warming; Eut.

Gasoline

Gasoline Water Emissions Pollution

EPA proposes endangerment finding for lead emissions from aircraft engines that operate on leaded fuel

Green Car Congress

OCTOBER 8, 2022

The US Environmental Protection Agency (EPA) announced a proposed determination that emissions of lead from aircraft that operate on leaded fuel cause or contribute to air pollution that may reasonably be anticipated to endanger public health and welfare. EPA is not proposing aircraft engine lead emission standards with this action.

EPA

EPA Emissions Engine Fuel

Emissions Analytics argues that current Pareto-efficient solution for decarbonization would be hybrids, not BEVs, based on do-no-harm

Green Car Congress

MARCH 22, 2023

On this basis, and of Pareto efficiency, Emissions Analytics argues, until battery-electric vehicles can reach certain performance characteristics, government and industry support should switch immediately from EVs to full hybrids to create maximum welfare. Every air pollutant is more than 90% its limit.

Emissions

Emissions Hybrid Kia Gasoline-Electric

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Green Car Congress

FEBRUARY 22, 2018

The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Yang et al.

Gasoline

Gasoline Emissions Engine Fuel Economy

Study explores impact of changing gasoline and diesel taxes in Europe

Green Car Congress

DECEMBER 27, 2013

Diesel is currently taxed at a lower level than gasoline in Europe; however, since 2011 the EC has been considering reversing that situation by making energy taxes systematically reflect the CO 2 performance of the energy product. As on a volumetric basis, diesel contains more carbon than gasoline, the tax on diesel fuel would increase.

Gasoline

Gasoline Tax Diesel Europe

California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

Green Car Congress

MARCH 30, 2021

AB 1346 would require new sales of SORE to be zero-emission by 2024 or whenever the California Air Resources Board (CARB) determines is feasible, whichever is later. Today, operating the best-selling gas-powered commercial leaf blower for one hour emits air pollutants comparable to driving a 2017 Toyota Camry from Los Angeles to Denver.

San Francisco

San Francisco Los Angeles California Engine

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

Study: consumer products overtake transportation as largest source of VOCs air pollution in cities

Green Car Congress

FEBRUARY 16, 2018

Consumer products such as shampoo, cleaning products and paint now contribute as much to emitted volatile organic compounds (VOCs) in cities as tailpipe emissions from vehicles, according to a new study led by NOAA. Total VOC emission factors for end uses of petrochemical sources in the study. —McDonald et al.

Pollution

Pollution Transportation Production Los Angeles

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

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. It, or a scaled-up version, could also provide a solution for the Asian motor vehicle fleet, in which two-stroke engine vehicles constitute a major share—and contribute significantly to air pollution.

Engine

Engine Emissions Fleet Market

MIT team proposes flex-fuel gasoline-alcohol engine PHEV long-haul trucks

Green Car Congress

APRIL 9, 2019

In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. Ethanol or methanol would be employed to increase knock resistance.

MIT

MIT Gasoline Engine Fuel

CARB approves updated regulations requiring most new small off-road engines be zero emission by 2024

Green Car Congress

DECEMBER 11, 2021

The California Air Resources Board approved a measure that will require most newly manufactured small off-road engines (SORE) such as those found in leaf blowers, lawn mowers and other equipment be zero emission starting in 2024. Older models on store shelves can also be purchased even if they are gasoline-powered.

Emissions

Emissions Engine Los Angeles Cleaner

Petrobras launches new 50 ppm ultra-low-sulfur gasoline throughout Brazil

Green Car Congress

JANUARY 11, 2014

Petrobras launched new regular and premium ultra-low-sulfur gasoline throughout Brazil on 1 January 2014, entirely replacing the previous regular and premium gasoline. California, Europe, Japan, South Korea, and several other countries have gasoline sulfur limits of 10 ppm. Earlier post.). Click to enlarge. billion (US$8.7

Brazil

Brazil Gasoline South Korea 2005

Shell develops lead-free aviation gasoline

Green Car Congress

DECEMBER 4, 2013

Shell has developed a lead-free replacement for aviation gasoline (Avgas 100 and 100LL); the replacement fuel will now begin a strict regulatory approvals process. Leaded gasoline for automobiles was phased out of use in the US by 1995 due to its environmental and health impact.) Shell is the first major oil company to do so.

Gasoline

Gasoline EPA Emissions Fuel

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. While CO 2 emission rules will drive the deployment of zero-emission vehicles, it is important to ensure that all vehicles on European roads are much cleaner, the EC said.

Standards

Standards Pollution Emissions All-Electric

Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

Green Car Congress

JUNE 1, 2021

Low-sulfur gasoline standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate matter that harms human health and cleaning up the environmental hazard of acid rain. This does not mean that the emissions reductions aren't working.

Pollution

Pollution Emissions Europe Climate Change

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

Regulated emissions for all test fuels over the cold-start and hot-start LA92 cycles. The emissions of CO 2 for the high-aromatics E10 were higher than the Tier 3 E10, E30, and E78 blends. Their paper is published in the ACS journal Energy & Fuels. The study found that higher ethanol blends—i.e., —Yang et al. 8b02206.

Pollution

Pollution Fuel Emissions Vehicles

Study finds airplane traffic a major contributor to particle pollution in Los Angeles

Green Car Congress

MAY 29, 2014

Results of a new study suggest that emissions particle emissions from airplane traffic at Los Angeles International Airport (LAX) are a major source of particle number (PN) concentrations in the Los Angeles area that are of the same general magnitude as the entire urban freeway network. Aviation Emissions' Click to enlarge.

Los Angeles

Los Angeles Pollution Wind Emissions

ORNL team achieves diesel-like efficiency with SI engine

Green Car Congress

APRIL 9, 2021

The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG). 1 for LPG only) improved engine efficiency by up to 30% compared with a production turbocharged gasoline direct injection spark ignition engine. higher H/C ratio) than gasoline. Splitter et al. and 32.6%, respectively.

Diesel

Diesel Engine Gasoline Fuel

Swiss team finds particle emissions from aircraft turbine engines at ground-idle induce oxidative stress in bronchial cells

Green Car Congress

MAY 17, 2019

The study also showed that the cytotoxic effect is only to some extent comparable to that of particles from gasoline and diesel engines. This process, already known to researchers from earlier experiments with particle emissions from gasoline and diesel engines, has now also been observed for particle emissions from aircraft engines.

Engine

Engine Emissions Switzerland Gasoline

Study shows bamboo ethanol in China technically and economically feasible, cost-competitive with gasoline

Green Car Congress

DECEMBER 1, 2013

Now, researchers at Imperial College London have shown that bioethanol production from bamboo in China is both technically and economically feasible, as well as cost-competitive with gasoline. An open access paper on their study is published in Biotechnology for Biofuels. Click to enlarge.

Gasoline

Gasoline China Tax London

KAUST develops AI framework for design of fuels optimized for engine efficiency and lower emissions

Green Car Congress

NOVEMBER 3, 2022

A team at King Abdullah University of Science and Technology (KAUST) has developed a data-driven artificial intelligence (AI) framework to design liquid fuels exhibiting tailor-made properties for combustion engine applications to improve efficiency and lower carbon emissions. —Kuzhagaliyeva et al. Kuzhagaliyeva, N., Horváth, S.,

Design

Design Emissions Fuel Engine

UAI and EFC call EPA MOVES2014 emissions model treatment of ethanol “seriously flawed”; call for peer review

Green Car Congress

OCTOBER 23, 2014

EPA’s Office of Transportation and Air Quality (OTAQ) developed MOVES; the emission modeling system estimates emissions for mobile sources at the national, county, and project level for criteria pollutants, greenhouse gases, and air toxics. Nearly all US gasoline is produced by splash-blending 10% ethanol.

EPA

EPA Emissions Pollution Gasoline

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

German researchers seek to optimize methanol-to-gasoline process

Green Car Congress

OCTOBER 12, 2022

OWI Science for Fuels GmbH, TU Bergakademie Freiberg and RWTH Aachen University are investigating Methanol-to-gasoline (MtG) production for opportunities to optimize the process to produce ideal MtG fuels. Synthetically produced methanol-to-gasoline could be a carbon-neutral fuel option for passenger cars.

Gasoline

Gasoline Gasoline-Electric Pollution Hydrogen

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

Green Car Congress

JULY 11, 2013

Renault recently made public the findings of an internal study, published first in October 2011, detailing and comparing the lifecycle assessments (LCAs) of the battery-electric and two internal combustion engined versions (gasoline and diesel) of the Renault Fluence. dCi); gasoline Fluence 16V (1.6L); and the battery-electric Fluence Z.E. (22

Li-ion

Li-ion Gasoline-Electric Ozone Diesel

Emissions Analytics: mass adoption of hybrids, rather than low-volume BEVs most effective for cutting CO2 now, meeting 2030 targets; best use of limited resource

Green Car Congress

JUNE 18, 2019

Emissions Analytics, a leading independent specialist for the scientific measurement of real-world emissions, suggests that mass adoption of hybrid vehicles, rather than low-volume take-up of full BEVs, is the most effective solution to cutting CO 2 now and also in meeting 2030 emission targets.

Emissions

Emissions Hybrid CO2 Gasoline-Electric

NIH study links air pollution to increase in newborn intensive care admissions

Green Car Congress

JULY 22, 2019

Infants born to women exposed to high levels of air pollution in the week before delivery are more likely to be admitted to a newborn intensive care unit (NICU), suggests an analysis by researchers at the US National Institutes of Health (NIH). Short-term exposure to most types of air pollutants may increase the risk for NICU admission.

Pollution

Pollution United States 2002 2008

Synthetic gasoline emits just as much pollution as regular gas, tests find

Green Car Reports

DECEMBER 9, 2021

Cars powered by synthetic fuel produce the same amount of nitrogen oxide (NOx) emissions as cars burning conventional gasoline, according to the environmental group Transport & Environment (T&E).

Gasoline

Gasoline Pollution Gas Environment

CARB staff proposing amendments to Fill Pipes specs for gasoline-fueled cars

Green Car Congress

SEPTEMBER 5, 2018

The staff of the California Air Resources Board (CARB) is proposing amendments to the Fill Pipes Specifications to help ensure new motor vehicle fill pipes continue to be compatible and to form a good seal with Phase II recovery nozzles that are certified for use at California gasoline stations, thereby reducing overpressure.

Gasoline

Gasoline Fuel Ozone Sacramento

Ricardo study finds electric and hybrid cars have a higher carbon footprint during production than conventional vehicles, but still offer a lower footprint over the full life cycle

Green Car Congress

JUNE 8, 2011

The report, being released as part of the LowCVP Annual Conference 2011 on 9 June, highlights the increasing importance of accounting for whole life carbon emissions to compare the greenhouse gas emissions of low carbon vehicles. Vehicle Whole Life Carbon Emissions Analysis. emissions in. Standard gasoline vehicle.

Carbon

Carbon Hybrid Production Gasoline-Electric

Study finds modern diesel cars emit fewer carbonaceous particulates than gasoline cars

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. a) Aerosol emission factors (g kg −1 fuel) measured in the study.

Gasoline

Gasoline Diesel Cars Emissions

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

Researchers in POWERFUL develop new two-stroke diesel featuring low consumption and low criteria emissions

Green Car Congress

NOVEMBER 4, 2014

The objective of POWERFUl was to design engines for light-duty urban and micro-urban vehicles (segment A and B), capable of reducing CO 2 and criteria pollutant emissions. Diesel Emissions Engines Fuel Efficiency' Benajes, J., Novella, R., and De Lima, D. 2013.03.050. 2013.03.050.

Diesel

Diesel Emissions Powered Power

Eaton introduces set of products to reduce vapor emissions during refueling; LEV III regulations

Green Car Congress

JANUARY 14, 2021

Power management company Eaton has introduced a complete suite of solutions from its Vehicle Group to reduce vapor emissions produced during the refueling of gasoline-powered vehicles. This leakage occurs in all gasoline-powered vehicles, including passenger cars and an increasing number of small- and mid-sized commercial vehicles.

Eaton

Eaton Emissions Gasoline-Electric Production

Ford researchers report detailed study of the effect of different ethanol blend levels on emissions from FFVs

Green Car Congress

DECEMBER 23, 2013

FTP cycle-weighted tailpipe emissions of N 2 O, NO x , and the sum of NMOG and NO x. The minimum in NO x and NMOG emissions for midlevel ethanol blends points to future opportunities for emission reductions from FFVs. Credit: ACS, Hubbard et al. Click to enlarge. E40); and the new range for high-level ethanol blends (E55, E80).

Emissions

Emissions Ford Exhaust Fuel

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

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

Webinars

Trending Sources

AECC presents zero-impact emissions demonstrator car at Vienna Motor Symposium

Webinars

California “gasoline superuser” bill advances; focusing ZEV incentives on reducing gasoline use

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

New study finds gasoline stations vent up to 10x more benzene fumes than previously thought

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

Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

HEI launches two new non-tailpipe particulate emission studies

Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

EPA proposes endangerment finding for lead emissions from aircraft engines that operate on leaded fuel

Emissions Analytics argues that current Pareto-efficient solution for decarbonization would be hybrids, not BEVs, based on do-no-harm

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Study explores impact of changing gasoline and diesel taxes in Europe

California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines

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

Study: consumer products overtake transportation as largest source of VOCs air pollution in cities

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

MIT team proposes flex-fuel gasoline-alcohol engine PHEV long-haul trucks

CARB approves updated regulations requiring most new small off-road engines be zero emission by 2024

Petrobras launches new 50 ppm ultra-low-sulfur gasoline throughout Brazil

Shell develops lead-free aviation gasoline

European Commission proposes Euro 7 standards

Ice core data show why air pollution is dropping more slowly in US and Western Europe despite lower sulfur emissions

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

Study finds airplane traffic a major contributor to particle pollution in Los Angeles

ORNL team achieves diesel-like efficiency with SI engine

Swiss team finds particle emissions from aircraft turbine engines at ground-idle induce oxidative stress in bronchial cells

Study shows bamboo ethanol in China technically and economically feasible, cost-competitive with gasoline

KAUST develops AI framework for design of fuels optimized for engine efficiency and lower emissions

UAI and EFC call EPA MOVES2014 emissions model treatment of ethanol “seriously flawed”; call for peer review

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

German researchers seek to optimize methanol-to-gasoline process

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

Emissions Analytics: mass adoption of hybrids, rather than low-volume BEVs most effective for cutting CO2 now, meeting 2030 targets; best use of limited resource

NIH study links air pollution to increase in newborn intensive care admissions

Synthetic gasoline emits just as much pollution as regular gas, tests find

CARB staff proposing amendments to Fill Pipes specs for gasoline-fueled cars

Ricardo study finds electric and hybrid cars have a higher carbon footprint during production than conventional vehicles, but still offer a lower footprint over the full life cycle

Study finds modern diesel cars emit fewer carbonaceous particulates than gasoline cars

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

Researchers in POWERFUL develop new two-stroke diesel featuring low consumption and low criteria emissions

Eaton introduces set of products to reduce vapor emissions during refueling; LEV III regulations

Ford researchers report detailed study of the effect of different ethanol blend levels on emissions from FFVs

Stay Connected