Carbon, Gasoline, Pollution and Universal

Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

Green Car Congress

JUNE 23, 2023

Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint. Overall, electrification reduces net external costs to society by 3–11% (5–24¢ per trip), depending on the assumed social cost of carbon. —Mohan et al. Mohan et al.

Fleet

Fleet All-Electric Carbon Emissions

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

FEBRUARY 27, 2024

Although the pollutant emissions of a diesel engine are less than those of a gasoline one, it still emits carcinogens, nitrous oxides, and soot. Our groundbreaking activated-carbon-based filter represents a significant leap forward in environmental and economic efficiency,” the electrical engineering student added. dollars.

Carbon

Carbon Diesel Emissions Bangladesh

Global Carbon Project: Global carbon emissions growth slows, but hits record high

Green Car Congress

DECEMBER 5, 2019

Driven by rising natural gas and oil consumption, levels of CO 2 are expected to hit 37 billion metric tons this year, according to new estimates from the Global Carbon Project (GCP), an initiative led by Stanford University scientist Rob Jackson. and China account for more than half of all carbon dioxide emissions globally.

Carbon

Carbon Global Emissions 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

the E30 and E78—led to statistically significant reductions of 9%–13% for total hydrocarbon (THC); 13%–44% for non-methane hydrocarbon (NMHC); 20%–35% for carbon monoxide (CO); and 17%–36% for nitrogen oxides (NO x ) emissions compared to the high-aromatics E10 fuel. Their paper is published in the ACS journal Energy & Fuels.

Pollution

Pollution Fuel Vehicles Emissions

Hyundai Motor Group, Aramco and KAUST collaborate on new e-fuel for novel combustion system

Green Car Congress

MARCH 30, 2022

Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.

Hyundai

Hyundai Motor Motors Motoring

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

Insight into benzene formation could help development of cleaner combustion engines

Green Car Congress

JUNE 10, 2021

The researchers say that their findings, recently published in an open-access paper in the journal Science Advances , are key to understanding how the universe evolved with the growth of carbon compounds. That insight could also help the car industry make cleaner combustion engines.

Cleaner

Cleaner Insight Engine Hawaii

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.

Ozone

Ozone Gasoline Pollution 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

UC Berkeley study quantifies LD gasoline on-road emissions

Green Car Congress

NOVEMBER 27, 2013

Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.

Gasoline

Gasoline Emissions Diesel San Francisco

HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

JANUARY 8, 2023

Research teams will also measure concentrations of exhaust pollutants in an attempt to disentangle non-tailpipe and tailpipe pollution, to better understand how each effects human health. Assessing the Impact of Non-exhaust Emissions from Traffic on the Asthmatic Airway (IONA) ,” led by Chris Griffiths, Queen Mary University of London.

Emissions

Emissions Pollution Exhaust London

São Paulo study finds concentration of ultrafine particulates rose by 1/3 in switch from ethanol to gasoline

Green Car Congress

JULY 17, 2017

Geiger and Alberto Salvo, an associate professor of economics at the National University of Singapore, led the study—their second with São Paulo big data. At the same time, nitric oxide and carbon monoxide concentrations tended to go up. and many other countries regulate PM 2.5 , but particles smaller than PM 2.5

Gasoline

Gasoline Singapore Brazil Ozone

Peking University team develops method for modeling historical global black carbon emissions from motor vehicles with reduced uncertainty

Green Car Congress

JANUARY 7, 2012

Researchers at Peking University have developed a new methodology to model black carbon (BC) emissions from diesel and gasoline motor vehicles. Black carbon is a key short-lived climate change forcer ( earlier post ) and motor vehicles are important sources of BC in the environment. Credit: ACS, Wang et al.

Universal

Universal Emissions Carbon Global

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

JULY 18, 2022

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). California currently limits the ethanol content of gasoline to 10 percent.

Fuel Economy

Fuel Economy Economy Fuel Ozone

Gevo and Praj to commercialize sustainable aviation fuel in India

Green Car Congress

AUGUST 19, 2020

signed a binding, definitive Master Framework Agreement (MFA) to collaborate on providing renewable, low carbon, low particulate, Sustainable Aviation Fuel (SAF) and renewable premium gasoline in India and neighboring countries. and Praj Industries Ltd. and 2G feedstock (cellulosic biomass such as straws, bagasse, etc.)

India

India Commercial Fuel Renewable

Brazilian biofuels with LUC may have much higher non-GHG emissions than conventional gasoline and diesel

Green Car Congress

SEPTEMBER 24, 2012

When including Land Use Change (LUC) factors, Brazilian sugar cane ethanol and soybean biodiesel have much larger life-cycle emissions than conventional gasoline and biodiesel for six regulated, non-greenhouse gas (GHG) air pollutants, according to a study led by a team from the University of California, Merced. 683 g PM 2.5

Gasoline

Gasoline Emissions Diesel Brazil

Con Edison helping NYC drivers shift to EVs with more places to charge up

Green Car Congress

APRIL 12, 2022

Less than a year after the first PowerReady project reached completion in a Manhattan apartment building, the program has supported the installation of more than 340 Level 2 chargers and 45 DC fast chargers—including the largest publicly accessible universal charging hub in the Americas, operated by Revel in Brooklyn.

New York City

New York City Charging New York Gasoline-Electric

Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

Green Car Congress

OCTOBER 11, 2012

Researchers from the University of Minnesota have produced a spatially and temporally explicit life cycle inventory (LCI) of air pollutants from gasoline, ethanol derived from corn grain, and ethanol from corn stover for the contiguous US (the lower 48 states). The researchers included a sixth pollutant, ammonia (NH 3 ).

Gasoline

Gasoline Emissions Gasoline-Electric Pollution

Study finds ethanol blends reduce GDI tailpipe PM

Green Car Congress

JUNE 7, 2019

The study was conducted by the University of California Riverside and the University of Wisconsin, Madison and commissioned by the Urban Air Initiative. PM emissions are some of the most toxic emissions coming from the tailpipe and connected with causing a host of health and pollution problems.

Gasoline

Gasoline Emissions Wisconsin Fuel

Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift

Green Car Congress

SEPTEMBER 27, 2015

The results, they said in an open access paper published in the journal Atmospheric Chemistry and Physics , suggest the need for a shift in policy focus onto gas-phase hydrocarbons released from diesels as this vehicle type continues to displace gasoline world-wide. —Dunmore et al. Dunmore et al. Dunmore et al. Hopkins, J. Lidster, R.

London

London Pollution Diesel Emissions

Tenneco exploring synthetic fuels for climate-neutral mobility; NAMOSYN project

Green Car Congress

JULY 23, 2021

Tenneco is putting its 100-plus years of powertrain expertise in improving vehicle fuel efficiency and reducing emissions to work to explore synthetic fuels (e-fuels) as a viable near-term solution to further maximize the efficiency and minimize the carbon footprint of internal combustion engines (ICE).

Climate

Climate Fuel Emissions Engine

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. The singular emphasis on energy balance and the carbon footprint neglects numerous other impacts associated with biofuels production including those related to irrigation, fertilizer application, and pesticide use for feedstock growth. Process flow diagrams for E85 and gasoline.

Gasoline

Gasoline Water Emissions Minnesota

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

Study finds significant slowdown in decrease of NOx emissions in US; implications for air quality management

Green Car Congress

MAY 1, 2018

The researchers analyzed extensive satellite and ground-based measurements of nitrogen oxides and carbon monoxide. They found that levels of pollutants that can contribute to the formation of ground-level ozone, or smog, have failed to continue a fairly steady decline as estimated by the US Environmental Protection Agency.

Emissions

Emissions Ozone Pollution EPA

CMU study finds that coal retirement is needed for EVs to reduce air pollution

Green Car Congress

FEBRUARY 12, 2016

Electric vehicles charged in coal-heavy regions can create more human health and environmental damages from life cycle air emissions than gasoline vehicles, according to a new consequential life cycle analysis by researchers from Carnegie Mellon University. UC stands for uncontrolled charging and CC stands for controlled charging.

Coal

Coal Pollution Grid Gasoline-Electric

Researchers say fuel market rebound effect can result in increased GHG emissions under RFS2; suggest taxes over mandates

Green Car Congress

AUGUST 8, 2016

However, argues a team from the University of Minnesota in an open-access paper published in the journal Energy Policy , once the “fuel market rebound effect” is factored in, RFS2 actually increases GHG emissions when all fuel GHG intensity targets specified under the act are met. for its analysis. —Hill et al.

Tax

Tax Emissions Fuel Market

Study concludes a shift from gasoline to diesel engines is consistent with long-term climate mitigation efforts

Green Car Congress

APRIL 13, 2012

Global-mean temperature change caused by car exhaust emitted from gasoline and diesel engines specified in the previous and upcoming European vehicle emission standards (EURO 3, 4, 5, and 6). black carbon, BC—climate forcers. Credit: ACS, Tanaka et al. Click to enlarge. CO 2 —and short-lived—e.g.,

Climate

Climate Gasoline Diesel Engine

How EVs Are Helping Humanity & Saving Lives?

Get Electric Vehicle

FEBRUARY 27, 2024

EVs: They Are Everywhere As we mentioned earlier EVs have a wide range of applications because EVs are much more flexible in case of design and configuration which gasoline vehicles cannot match. Instead, we have to supply hydrogen just like we fill gasoline but the car will be powered by electric motors just like a normal electric car.

Petrol

Petrol Pollution Gasoline-Electric Diesel

Study urges tougher target for California LCFS; up to 26% by 2030 under high performance scenario

Green Car Congress

MARCH 22, 2018

California can reduce carbon emissions by more than 70 million metric tons by 2030—akin to taking 15 million gasoline-powered cars off the road in one year—by adopting a higher target for its Low Carbon Fuel Standard (LCFS), according to an analysis released by the UK-based research firm Cerulogy.

California

California Carbon Clean Cleaning

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

Green Car Congress

JULY 14, 2016

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. A new study by a team at the University of Toronto has made a preliminary assessment of the climate trade-off (i.e., mpg (10.99

Climate

Climate Engine Carbon Fuel Economy

California Governor signs two bills to strengthen emission standard for trucks; Executive Order leverages $700B portfolio to strengthen climate resiliency

Green Car Congress

SEPTEMBER 21, 2019

California Governor Gavin Newsom signed two bills to strengthen emission standards for trucks, semis and other high-pollution vehicles. The Governor also issued an executive order directing the leveraging of the state’s $700-billion CalPERS, CalSTRS and UC Retirement Program portfolio to drive investment toward carbon-neutral technologies.

Climate

Climate California Emissions Standards

Mazda continues supporting algae biofuels research

Green Car Congress

APRIL 7, 2020

Because when burnt, algae biofuel only releases CO 2 recently removed from the atmosphere via photosynthesis as the algae grew, Mazda considers its development to be critical to achieving the carbon-neutrality of cars powered by the internal combustion engine. Microalgae biofuel has numerous positive attributes as a renewable liquid fuel.

Mazda

Mazda Lithium Ion Automobile Industry Fuel

UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

Green Car Congress

JULY 8, 2014

A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. When tested, the device reduced carbon monoxide (CO) by 87%; NO x by 67% and particulate matter (PM) by 44%.

Exhaust

Exhaust EPA Design Pollution

Researchers develop large-scale, economical method to extract hydrogen from oil sands and oil fields

Green Car Congress

AUGUST 20, 2019

This technique can draw up huge quantities of hydrogen while leaving the carbon in the ground. This means it potentially costs a fraction of gasoline for equivalent output. The only product of this process is hydrogen, meaning that it the technology is effectively pollution and emission free. —Grant Strem.

Oil-Sands

Oil-Sands Oil Hydrogen Venezuela

NSF launches $20M engineering research center aimed at converting natural gas into transportation fuels: CISTAR

Green Car Congress

SEPTEMBER 16, 2017

The NSF Engineering Research Center for Innovative and Strategic Transformation of Alkane Resources ( CISTAR ) will develop technologies for responsible conversion of alkanes—light hydrocarbons including methane, ethane and propane—into more valuable liquid fuels, including gasoline and diesel fuels.

Convert

Convert Gas Transportation Engine

Study finds air quality models significantly underestimate traffic as source of NOx in Europe

Green Car Congress

JUNE 1, 2017

Traffic contributes more to NO x emissions in Europe than previously thought, according to a new study by a team at the University of Innsbruck. It has been a challenge to determine how much each polluter contributes to the emission output. We record 36,000 data points per hour. —Thomas Karl.

Europe

Europe Diesel Emissions Pollution

U Chicago study proposes market-based approach to fuel economy standards to deal with impacts of fuel price volatility

Green Car Congress

JANUARY 10, 2017

Volatile gasoline prices have caused some regulators and carmakers alike to question the cost and effectiveness of current fuel economy standards, with some arguing they are too stringent and others saying they should be even stronger. The current standards do aim to provide the flexibility needed to account for unpredictable gasoline prices.

Fuel Economy

Fuel Economy Chicago Economy Standards

Experts view on future transportation fuels

Green Car Congress

NOVEMBER 12, 2018

The authors identified a number of challenges for new fuels for a low-carbon transportation sector: Fuels tailored to engines with cycle and system advances that increase overall conversion of chemical energy to useful work. —Kalghatgi et al.

Transportation

Transportation Future Fuel Climate Change

New KOSi method for ultra-deep desulfurization of fuels to ~ 2ppm S

Green Car Congress

FEBRUARY 28, 2017

Scientists led by a team at Caltech and BP, and in collaboration with researchers at UCLA, ETH Zürich, and China’s Nanjing University, have developed a new method for potentially removing nearly all sulfur compounds (down to ~2 ppm) from gas and diesel fuel. These issues pose a formidable challenge for the development of new HDS methods.

Fuel

Fuel Diesel Pollution Carbon

Oxford University Study Finds Downscaling of Vehicle Size and Weight the Best Way to Reduce Transport GHG Emissions in the Short Term

Green Car Congress

JANUARY 29, 2010

An new study from the Smith School of Enterprise and the Environment at Oxford University suggests that best way to reduce transport greenhouse gas (GHG) emissions in the short term is a “drastic downscaling of both size and weight” of conventional gasoline and diesel cars. —Future of Mobility Roadmap. Myth Busting.

Transportation

Transportation Emissions Universal Climate Change

Washington State/Boeing SOFC shows promise for aviation and automotive applications

Green Car Congress

JUNE 17, 2014

Researchers at Washington State University, with colleagues at Kyung Hee University and Boeing Commercial Airplanes, have been developing liquid hydrocarbon/oxygenated hydrocarbon-fueled solid oxide fuel cells (SOFCs) for aviation (the “more electric” airplane) and other transportation applications, such as in cars. Click to enlarge.

Washington

Washington Gasoline-Electric Gasoline Fuel

Using Ozone-Generated Bubbles to Remove Oil Sheen and Contaminants from Water

Green Car Congress

NOVEMBER 17, 2009

A University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. Emerging contaminants, such as wastewater polluted with medications and personal care products.

Ozone

Ozone Water Oil-Sands Oil

Duke study finds China’s synthetic natural gas plants will have heavy environmental toll; 2x vehicle GHG if used for fuel

Green Car Congress

SEPTEMBER 25, 2013

Coal-powered synthetic natural gas (SNG) plants being planned in China would produce seven times more greenhouse gas emissions than conventional natural gas plants, and use up to 100 times the water as shale gas production, according to a new study by Duke University researchers published in the journal Nature Climate Change.

Gas

Gas Mercury Climate Change Fuel

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

Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Global Carbon Project: Global carbon emissions growth slows, but hits record high

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

Hyundai Motor Group, Aramco and KAUST collaborate on new e-fuel for novel combustion system

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

Insight into benzene formation could help development of cleaner combustion engines

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

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

UC Berkeley study quantifies LD gasoline on-road emissions

HEI launches two new non-tailpipe particulate emission studies

São Paulo study finds concentration of ultrafine particulates rose by 1/3 in switch from ethanol to gasoline

Peking University team develops method for modeling historical global black carbon emissions from motor vehicles with reduced uncertainty

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Gevo and Praj to commercialize sustainable aviation fuel in India

Brazilian biofuels with LUC may have much higher non-GHG emissions than conventional gasoline and diesel

Con Edison helping NYC drivers shift to EVs with more places to charge up

Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

Study finds ethanol blends reduce GDI tailpipe PM

Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift

Tenneco exploring synthetic fuels for climate-neutral mobility; NAMOSYN project

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

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

Study finds significant slowdown in decrease of NOx emissions in US; implications for air quality management

CMU study finds that coal retirement is needed for EVs to reduce air pollution

Researchers say fuel market rebound effect can result in increased GHG emissions under RFS2; suggest taxes over mandates

Study concludes a shift from gasoline to diesel engines is consistent with long-term climate mitigation efforts

How EVs Are Helping Humanity & Saving Lives?

Study urges tougher target for California LCFS; up to 26% by 2030 under high performance scenario

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

California Governor signs two bills to strengthen emission standard for trucks; Executive Order leverages $700B portfolio to strengthen climate resiliency

Mazda continues supporting algae biofuels research

UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

Researchers develop large-scale, economical method to extract hydrogen from oil sands and oil fields

NSF launches $20M engineering research center aimed at converting natural gas into transportation fuels: CISTAR

Study finds air quality models significantly underestimate traffic as source of NOx in Europe

U Chicago study proposes market-based approach to fuel economy standards to deal with impacts of fuel price volatility

Experts view on future transportation fuels

New KOSi method for ultra-deep desulfurization of fuels to ~ 2ppm S

Oxford University Study Finds Downscaling of Vehicle Size and Weight the Best Way to Reduce Transport GHG Emissions in the Short Term

Washington State/Boeing SOFC shows promise for aviation and automotive applications

Using Ozone-Generated Bubbles to Remove Oil Sheen and Contaminants from Water

Duke study finds China’s synthetic natural gas plants will have heavy environmental toll; 2x vehicle GHG if used for fuel

German researchers seek to optimize methanol-to-gasoline process

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