Green Car Congress

MARCH 3, 2012

Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

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Exhaust Gasoline Diesel Los Angeles 231

Green Car Congress

APRIL 29, 2018

A study by researchers from the National University of Singapore (NUS) and the University of São Paulo revealed that a beltway constructed to divert heavy-duty diesel vehicles traffic in the Brazilian city of São Paulo improved air quality and public health in the city. —He et al.

Diesel 199

Diesel Singapore Pollution London 199

Green Car Congress

SEPTEMBER 18, 2017

A new analysis by the NGO Transport & Environment (T&E) concludes that diesel cars emit more CO 2 than equivalent cars on a full lifecycle basis—i.e., According to the T&E analysis, an average diesel car produces emits 3.65 According to the T&E analysis, an average diesel car produces emits 3.65 l/100 km (37.3

Gasoline 220

Gasoline Diesel CO2 Cars 220

Green Car Congress

SEPTEMBER 27, 2015

The study found that 60% of the winter primary hydrocarbon hydroxyl radical reactivity in London is from those diesel-related hydrocarbons; the authors predicted that the longer-chain HCs contribute up to 50 % of the ozone production potential in London. —Dunmore et al. Dunmore et al.

London 150

London Pollution Diesel Emissions 150

Green Car Congress

APRIL 19, 2013

A study by a team of researchers from France and the US found that the origin of volatile hydrocarbons, other than methane, present in city air is mainly gasoline-powered vehicles. They therefore concluded that gasoline engines are probably the main source of volatile hydrocarbons in both cities.

Los Angeles 225

Los Angeles Pollution Gasoline Engine 225

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). However, previous studies have shown more prolonged warming due to diesel cars under various conditions. Credit: ACS, Tanaka et al.

Climate 223

Climate Gasoline Diesel Engine 223

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. Renault assessed the diesel Fluence dCi (1.5L

Li-ion 364

Li-ion Gasoline-Electric Ozone Diesel 364

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. To reduce emissions, diesel vehicles use filters that catch exhaust particles and other contaminants.

Carbon 101

Carbon Diesel Emissions Bangladesh 101

Green Car Congress

FEBRUARY 15, 2016

BMEL’s central project-coordinating agency in the area of renewable resources, is funding a 3-year study of oxymethylene ethers (OME) as clean diesel fuels with €800,000 (US$894,000). Due to their high oxygen concentration, they suppress pollutant formation in combustion. Earlier post.) 2015.03.012. 2015.07.479. 2015.07.479.

Diesel 150

Diesel Clean Cleaning Germany 150

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. 2,575 g PM 2.5

Gasoline 273

Gasoline Emissions Diesel Brazil 273

Green Car Congress

APRIL 10, 2013

Scientists from UCLA’s Fielding School of Public Health have found a possible link between exposure to traffic-related air pollution and several rare childhood cancers. Pollution exposure was estimated for the area around each child’s home for each trimester of their mother’s pregnancy and during their first year of life.

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Pollution Washington 2007 California 246

Green Car Congress

MAY 23, 2014

Deaths from outdoor air pollution by region in 2005 and 2010. Outdoor air pollution kills some 3.5 This pollution is costing advanced economies plus China and India an estimated US$3.5 This pollution is costing advanced economies plus China and India an estimated US$3.5 Click to enlarge. Earlier post.)

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Pollution Transportation Emissions India 218

Green Car Congress

AUGUST 9, 2012

A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. Between 2002 and 2010 alone, the concentration of VOCs dropped by half, according to a new study by NOAA scientists and colleagues, published in the AGU’s Journal of Geophysical Research. ppbv/ppmv to 10.7

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

Green Car Congress

FEBRUARY 5, 2018

The US Department of Energy’s Argonne National Laboratory and the sustainable energy NGO Energy Vision released two case studies assessing the results of projects that were among the first to produce Renewable Compressed Natural Gas (R-CNG) vehicle fuel by using anaerobic digesters to capture the biogases from decomposing organic waste.

Renewable 170

Renewable Gas Transportation Fuel 170

Green Car Congress

MAY 24, 2016

New research published today (23 May) in Scientific Reports has found a marked and progressive 80% decline in atmospheric CO (carbon monoxide) in SE England since 1997, following adoption of strict controls on gasoline vehicle emissions begin in the 1990s. The open-access study is published in the journal Scientific Reports.

Gasoline 150

Gasoline Emissions 2003 London 150

Green Car Congress

MAY 31, 2017

A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.

Fuel Economy 150

Fuel Economy Diesel Economy Engine 150

Green Car Congress

MAY 1, 2018

NO x emissions have not been decreasing as expected in recent years (2011–2015) when comparing top-down estimates from satellites and surface NO 2 measurements to the trends predicted from the US Environmental Protection Agency’s emission inventory data, according to a new study by an international team of researchers.

Emissions 150

Emissions Ozone Pollution EPA 150

Green Car Congress

AUGUST 19, 2013

The study found that the highest-emitting 10% of gasoline vehicles are now responsible for the overwhelming majority of running CO, NMHC, and NO x. However, they also found that decreases in emissions of these pollutants appear to be slowing down and may have leveled off. unmeasured or not reported) from ambient air studies.

Emissions 247

Emissions Los Angeles Motor Motors 247

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. The majority of the emissions is caused by diesel cars.

Europe 150

Europe Diesel Emissions Pollution 150

Green Car Congress

MAY 24, 2017

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances.

Engine 271

Engine Exhaust Gasoline Diesel 271

Blink Charging

SEPTEMBER 12, 2023

The transition away from gasoline and diesel vehicles to electric vehicles (EVs) is going full throttle in the United States, and that includes the iconic yellow school bus. Roughly half a million school buses transport about 20 million students each school day in the United States, and nearly all those buses currently run on diesel.

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Fleet Pollution Diesel Ozone 123

Green Car Congress

NOVEMBER 4, 2014

Two-stroke diesel in test car. 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' Click to enlarge. Benajes, J., Novella, R., and De Lima, D. 2013.03.050. 2013.03.050.

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Diesel Emissions Power Powered 268

Green Car Congress

MAY 17, 2019

In a study on the effect of exhaust particles from aircraft turbine engines on human lung cells, Swiss researchers have found that cells reacted most strongly to particles emitted during ground idling. The study also showed that the cytotoxic effect is only to some extent comparable to that of particles from gasoline and diesel engines.

Engine 321

Engine Emissions Switzerland Gasoline 321

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 170

California Carbon Clean Cleaning 170

Green Car Congress

SEPTEMBER 22, 2015

A study by a team from the California Air Resources Board (ARB) has found that the collective cancer risk from exposure to seven toxic air contaminant (TACs) has declined 76% during the period from 1990 to 2012, and linked that result from air quality regulations targeting these TACs. However, in the study DPM is not measured directly.

California 150

California Diesel Emissions Neighborhood 150

Green Car Congress

JULY 9, 2015

The result is a compendium of experimental data regarding the regulated gaseous pollutants and fuel consumption on 21 vehicles. The vehicles were chosen to be representative of the different segments of the European market; 12 were gasoline-fueled, and 9 were diesel-fueled. —Marotta et al. 5b01364.

Emissions 150

Emissions Vehicles Diesel Pollution 150

Green Car Congress

DECEMBER 22, 2020

The TCI-P will work by requiring large gasoline and diesel fuel suppliers to purchase “allowances” for the greenhouse gas emissions caused by the combustion of fuels they sell in participating jurisdictions. The total number of emission allowances would decline each year, resulting in less transportation pollution.

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Rhode Island District of Columbia Transportation Connecticut 305

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 75

Petrol Pollution Gasoline-Electric Diesel 75

Green Car Reports

OCTOBER 27, 2016

Exhaust from gasoline and diesel cars contributes to air pollution that can lead to deleterious health effects after long exposure. Now a new study from the American Lung Association in California aims to quantify the health.

Pollution 60

Pollution Exhaust Electric Cars Cars 60

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. CO 2 + 2NO, NO 2 + C?CO

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Exhaust Diesel Dallas Conversion 240

Green Car Congress

MAY 17, 2020

A recent PSI study led by environmental scientist Christian Bauer found that a battery electric car is already the most environmentally friendly option in Switzerland and many other countries, even when the manufacture of the battery is figured in. Our tool offers a very wide range of engine types. —Romain Sacchi.

Mariner 435

Mariner Climate Change DC Cars 435

Green Car Congress

MAY 27, 2015

A study by Carnegie Mellon University researchers comparing life cycle greenhouse gas (GHG) emissions from different natural gas pathways for medium and heavy-duty vehicles (MHDVs) found that the GHG reduction potentials of the pathways vary sharply between non-Class 8 MHDVs (e.g., Study system boundary of natural gas pathways.

Gas 150

Gas Diesel Gas-Electric Emissions 150

Green Car Congress

MARCH 10, 2012

A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. Gasoline vehicle exhaust particles contain a factor of 2.3?285

Environment 353

Environment Automobile Exhaust Oil 353

Green Car Congress

NOVEMBER 14, 2013

Researchers at the University of New South Wales (Australia) have demonstrated the potential for ethanol use in diesel engines with dual-fuel combustion, in which ethanol is injected into the intake manifold and diesel is directly injected into the engine cylinder. A paper on their work is published in the ACS journal Energy & Fuels.

Diesel 199

Diesel Emissions Engine Fuel 199

Green Car Congress

JUNE 18, 2019

Through extensive real-world testing of electrified vehicles, Emissions Analytics has found that hybrids, whether in gasoline or diesel form, offer the highest CO 2 reduction per kWh across all electrified powertrains. We need to optimize the use of the industry’s available battery capacity to facilitate a critical early reduction.

Emissions 294

Emissions Hybrid CO2 Gasoline-Electric 294

Green Car Congress

FEBRUARY 4, 2020

However, the report points to studies which show that their impact on the environment is not always positive. Similarly, studies show that ride-hailing apps such as Uber or Lyft do little to reduce emissions or congestion and actually draw people away from public transport. g CO 2 per kilometer.

Transportation 356

Transportation Environment 2018 Cars 356

Green Car Congress

FEBRUARY 1, 2011

Extending, not shortening, the lifetime of a vehicle helps to reduce life-cycle CO 2 emissions throughout the supply chain, according to a new study based on a case study of Japanese vehicle use during the 1990-2000 period published in the ACS journal Environmental Science & Technology. Credit: ACS, Kagawa et al. Click to enlarge.

Emissions 218

Emissions CO2 2000 Vehicles 218