HALO research aircraft measuring the emissions of megacities in EmeRGe project

Green Car Congress

However, emissions do not just remain in conurbations; particles and gaseous pollutants can be transported thousands of kilometers by the wind. A total of approximately 100 flight hours are planned for the measurement flights in the emission plumes of Asian cities, said John P.

2018 118

Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

Green Car Congress

Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. Medium-chain and long-chain alkanes could reduce CO and THC emissions, to some extent.

2018 89

Trending Sources

Jilin study shows coolant temperature in GDI engine at idle has critical effect on particulate number emissions

Green Car Congress

Researchers at Jilin University in China report in a papaer in the journal Fuel that coolant temperature in a gasoline direct-injection (GDI) engine under idle has a critical effect on particulate number (PN) emissions and that optimizing other operating parameters will further reduce PN emissions.

2018 89

Neste-led project verified 50% methane emission reduction at palm oil mills using belt filter press

Green Car Congress

Neste has been exploring ways to contribute to improving palm oil industry’s environmental performance, particularly how to further reduce greenhouse gas emission from palm oil production. to verify—the actual emission reduction resulting from such filtering.

2018 110

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

Green Car Congress

Top: Gravimetric PM mass, PM mass calculated based on the IPSD method, black carbon, and EC/OC emissions over the LA92 cycle. Bottom: Total particle-phase PAH emissions, expressed in ng/mile, for both test vehicles over the LA92 cycle. Emissions Engines Fuel Efficiency Health

2018 111

New Pierburg air blower with speed-controlled motor for reduction of gasoline engine emissions

Green Car Congress

Secondary air systems are used to reduce gasoline engine emissions by accelerating catalytic converter heat-up. Through the secondary air pump, the new air blower not only accelerates catalytic converter heat-up, it also lowers electric energy consumption and emissions.

2018 89

Pruitt's EPA emission rollback reasoning may well fail in court

Green Car Reports

Despite the sturm und drang around the announcement by embattled EPA chief Scott Pruitt that he will relax emission limits for 2022 through 2025 vehicles, not much will happen immediately. emissions EPA global warming California Air Resources Board CARB greenhouse gas climate change carbon dioxide regulation Donald Trump

2018 65

KOHLER unveils new global emissions platform for KDI diesels

Green Car Congress

KOHLER has introduced a new global emissions platform for its award winning KOHLER Direct Injection (KDI) diesel engine line. Diesel Emissions Engines

2017 78

Low-Emission Zone now operational in downtown Haifa; Israel’s first; initially targeting heavy diesels

Green Car Congress

Israel’s Ministry of Environmental Protection (MoEP) and Haifa Municipality have begun operating a low-emission zone (LEZ). The creation of a low-emission zone (LEZ) is part of a larger plan to reduce air pollution from transportation in Haifa.

2018 90

Stanford Energy Modeling Forum project confirms carbon pricing can be effective way to curb GHG emissions

Green Car Congress

The EMF 32 project , which launched in 2014, is an ongoing modeling exercise intended to assess emissions, energy and economic outcomes from a plausible range of US policies to reduce greenhouse gases (GHGs). In addition to the standard emphasis on the effects of such policies on emissions, energy prices and macroeconomic performance, the EMF 32 researchers are particularly interested in how fiscal decisions on revenue distribution might also affect these outcomes.

2018 69

IIASA: removing fossil fuel subsidies will not reduce CO2 emissions as much as hoped

Green Car Congress

Removing fossil fuel subsidies would have only a small effect on CO 2 emissions and renewable energy use, according to a new study led by the International Institute for Applied Systems Analysis (IIASA) and published in the journal Nature. Climate Change Emissions Fuels Policy

2018 89

JATO: new car CO2 emissions rise for the first time in a decade in Europe; diesel down, gasoline up, SUVs up

Green Car Congress

Average CO 2 emissions generated by new cars in Europe increased during 2017—the first rise in 10 years— according to a new analysis by JATO Dynamics. Covering 23 European markets, the study found that average CO 2 emissions increased by 0.3

2018 107

ExxonMobil expands methane emissions reduction program

Green Car Congress

ExxonMobil announced an enhanced program to reduce methane emissions from its production and midstream facilities across the United States. The program prioritizes actions at sites operated by subsidiary XTO Energy and includes efforts to develop and deploy new, more efficient technologies to detect and reduce facility emissions. There is no one solution, and finding the next emission-reduction opportunities requires investment today. Climate Change Emissions Natural Gas Oi

2017 60

Study finds global emissions of ethane and propane underestimated by more than 50%

Green Car Congress

This new study shows that global fossil fuel emissions of these hydrocarbons have been underestimated and are a factor of 2-3 times higher than previously thought. Accounting for these enhanced ethane and propane emissions results in simulated surface ozone concentrations that are 5–13% higher than previously assumed in some polluted regions in Asia. As for ethane and propane, geologic emissions of methane have been neglected in many model studies.

2018 75

Study finds ethanol blending appears to reduce significantly genotoxic emissions from gasoline direct injection vehicles

Green Car Congress

CO emissions dropped by 81% and 87%, while CO 2 emissions were reduced by 13 and 17%. Emissions of selected polycyclic aromatic hydrocarbons (PAHs) were lowered by 67–96% with E10 and by 82–96% with E85, and the genotoxic potentials dropped by 72% and 83%, respectively.

2016 146

Lightning Systems using predictive analytics to calculate vehicle fleet fuel consumption and tailpipe emissions

Green Car Congress

Engineers from Colorado-based Lightning Systems are using artificial neural networks to predict accurately the fuel economy and tailpipe emissions of fleet vehicles. A global developer of efficiency and emissions improvement solutions for fleets, Lightning Systems ( earlier post ) is deploying this form of artificial intelligence to make vehicle-fleet management predictions with high accuracy. percent, and predicted CO 2 , CO and NO x emissions with 97 to 100 percent accuracy.

2018 81

Australian study finds VW diesel using up to 14% more fuel in real world driving after emissions upgrade

Green Car Congress

Emissions analysis commissioned by the Australian Automobile Association (AAA) has found an affected VW diesel vehicle to be using up to 14% more diesel after being recalled for the mandated emissions system fix. The tests showed a reduction in emissions of NO x carbon monoxide and particulate matter occurred after the recall fix. However, the NO x emissions were still 4.11 Australia Diesel Emissions Fuel Efficiency Regulations

2018 79

European Commission publishes draft proposal to tighten up car emissions testing

Green Car Congress

The European Commission has opened a public consultation on a draft proposal further to improve the quality of car emissions tests to ensure more reliable results and rebuild consumer confidence. New and improved car emissions tests have been mandatory since 1 September 2017: tests in real driving conditions (“Real Driving Emissions” – RDE) and an improved laboratory test (“World Harmonised Light Vehicle Test Procedure” – WLTP). Emissions Europe Regulations

2018 65

Which states follow California's emission and zero-emission vehicle rules?

Green Car Reports

California leads the nation in policies that promote reductions of carbon emissions from road vehicles. It is unique in having a federal waiver that allows it to set its own, stricter emissions standards, along with a zero-emission vehicle mandate that requires automakers reaching certain sales volumes to sell a certain number of cars without. emissions zero emissions EPA California California Air Resources Board CARB transportation policy

2017 59

Technical brief: transportation overtaking electricity generation as the largest source of US CO2 emissions

Green Car Congress

The average rate at which CO 2 is emitted from vehicle tailpipes and other mobile sources has exceeded the rate of CO 2 emissions from electric power plants over seven of the past eight months. CO 2 emissions from the transportation sector increased at an average rate of 1.8%

2016 128

US sues Fiat Chrysler over diesel emissions

Green Car Congress

The undisclosed engine management software results in increased NO x emissions from the vehicles, EPA said. Since then, FCA US has been working with the EPA and the California Air Resources Board (CARB), including extensive testing of the vehicles, to clarify issues related to the emissions control technology. Subject to the permission of EPA and CARB, FCA US intends to install the same modified emissions software in 2014-2016 MY Jeep Grand Cherokee and Ram 1500 diesel vehicles.

2017 60

Study finds blending gasoline with GTL improves efficiency and lowers emissions in compression-ignition PPC mode

Green Car Congress

A team from Eindhoven University of Technology, The Netherlands, in collaboration with Bengt Johansson at King Abdullah University of Science and Technology, Saudi Arabia, reports that blending gasoline with high cetane number (CN) gas-to-liquids (GTL) fuel appears to be a promising route to improve not only efficiency, but also PM and NO x emissions, particularly when operating in partially premixed combustion (PPC) mode. Diesel Emissions Fuels Low Temperature Combustion

2018 65

EPA: GHG emissions standards for cars and light trucks should be revised; joint process with NHTSA (updated with more reactions)

Green Car Congress

The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised. Consumers Union: “Thanks to emissions and efficiency standards, consumers have saved billions of dollars on fuel over the last 5 years.

2018 72

European countries struggle to meet emission limits due to emissions from agriculture and transport

Green Car Congress

Eleven EU Member States breached air pollution ceilings in 2015 mostly due to high emissions from agricultural and transport sources, according to new data and a briefing released by the European Environment Agency (EEA). The briefing includes information on countries’ 2015 emissions and national ceilings for different pollutants. Member States recently reported the first information under the new EU National Emission Ceilings (NEC) Directive ( /2284/EU ).

2017 60

ICCT: decline in diesel sales will have negligible impact on attainment of European CO2 emission standards

Green Car Congress

Other technologies—such as efficiency improvements in gasoline engines as well as the rollout of hybrid electric power trains—offer more compelling and cost-effective pathways to reducing CO 2 emissions from European passenger cars, the ICCT says. The ICCT notes that while diesels generally consume less fuel than comparable gasoline vehicles, CO 2 emissions from diesel engines are not lower in the same proportion, for various reasons.

2018 69

Study illustrates impact of ship emissions on Shanghai air quality

Green Car Congress

A multi-year quantitative study of the influence of ship emissions on urban air quality by a team from Fudan University found that ships could contribute 20–30% (2–7 μg/m 3 ) of the total PM 2.5 Recent studies have reported on ship emissions and their potential impacts in the YRD in China.

2016 89

UK government announces £48M for Ultra-Low Emission Bus Scheme; at least 30% less GHG than Euro VI bus

Green Car Congress

UK Transport Minister Nusrat Ghani announced a new Ultra-Low Emission Bus (ULEB) Scheme. million) fund, which they can use to buy hundreds of new ultra-low emission buses as well as the infrastructure to support them. To qualify as an ultra-low emission bus, buses must produce at least 30% less GHG emissions than a conventional Euro VI bus and meet Euro VI engine regulations. This equates to £500 per kilometer in zero emission mode with a cap of 100 km.

2018 65

California ARB petitions US EPA for “Tier 5” stricter locomotive emissions standards

Green Car Congress

In an effort to accelerate the movement to zero- or near-zero emission locomotives, the California Air Resources Board (ARB) has petitioned the US EPA take action to adopt more stringent emission standards for locomotives. Emissions Engines Environmental Justice Health Rail

2017 103

Global Carbon Project: Low growth in global carbon emissions continues for third successive year

Green Car Congress

Global carbon emissions from burning fossil fuels did not grow in 2015 and are projected to rise only slightly in 2016, marking three years of almost no growth, according to researchers at the University of East Anglia (UEA) and the Global Carbon Project. The EU’s CO 2 emissions went up 1.4%

2016 118

Mercedes-Benz gets its own diesel emission cheating questions now

Green Car Reports

models of Mercedes-Benz sold with diesel engines have found software, possibly illegal under EPA rules, that helped them pass emission tests. Such software may be similar to that notoriously used in 580,000 vehicles sold by VW, Audi, and Porsche from 2009 through 2015 in what became the Volkswagen diesel emission. Diesels emissions EPA Daimler Volkswagen diesel scandalInvestigators probing U.S.

2018 63

Mayors of 12 major cities pledge to procure only zero-emission buses from 2025; major areas to be zero-emission by 2030

Green Car Congress

The mayors of London, Paris, Los Angeles, Copenhagen, Barcelona, Quito, Vancouver, Mexico City, Milan, Seattle, Auckland and Cape Town have pledged to procure only zero-emission buses from 2025 and ensure that a major area of their city is zero emission by 2030. Lead by example by procuring zero emission vehicles for city fleets. Collaborate with suppliers, fleet operators and businesses to accelerate the shift to zero emissions vehicles and reduce vehicle miles in cities.

2017 82

Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

Green Car Congress

A study by researchers from the University of Denver and the University of Puget Sound indicates that high-mileage light-duty fleets contribute higher emissions and emissions share than expected based on their actual numbers in the fleet. Emissions Fleets Fuel Efficiency Regulations

2016 78

EIA: US energy-related CO2 emissions down 1.7% in 2016; carbon intensity of economy down 3.1%; transportation emissions up

Green Car Congress

US energy-related CO 2 emissions decreased by 89 million metric tons (MMmt), from 5,259 MMmt in 2015 to 5,170 MMmt in 2016. over that period, other factors contributing to energy-related CO 2 emissions more than offset the growth in GDP, leading to a 1.7% Emissions have declined in 6 out of the past 10 years, and energy‐related CO 2 emissions in 2016 were 823 MMmt (14%) below 2005 levels, according to the EIA. Climate Change Emissions

2017 60

Study finds drone-based delivery could reduce GHG emissions and energy use in the transportation sector, if deployed sensibly

Green Car Congress

New research by Lawrence Livermore National Laboratory (LLNL), Carnegie Mellon University, SRI International and the University of Colorado at Boulder shows that drone-based delivery could reduce greenhouse gas emissions and energy use in the transportation sector.

2018 84

Study finds heavy-petroleum fuels raising vanadium emissions; human emissions outpacing natural sources by factor of 1.7

Green Car Congress

Human emissions of the potentially harmful trace metal vanadium into Earth’s atmosphere have spiked sharply since the start of the 21 st century due in large part to industry’s growing use of heavy oils, tar sands, bitumen and petroleum coke for energy, a new Duke University study published in the Proceedings of the National Academy of Sciences (PNAS) finds. Human emissions of vanadium to atmosphere now exceed natural sources by a factor of 1.7 Emissions Oil Oil sands

2017 60

Lloyd’s Register and UMAS release Zero Emission Vessels 2030 study

Green Car Congress

Lloyd’s Register and University Maritime Advisory Services (UMAS) released a new study— Zero Emission Vessels 2030 —that aims to demonstrate the viability of zero emission vessels (ZEVs) by identifying what needs to be in place to make them a competitive solution for decarbonization.

2017 78

NASA and DLR to conduct joint flight tests on alternative fuel emissions with focus on ice crystals

Green Car Congress

The focus will be on alternative fuel emissions and the characterisation of ice crystals in condensation trails (contrails), using biofuel as an example. The focus of our measurements is to characterise the emissions produced using different fuel blends.

2018 84

UMTRI study shows wide global variability in GHG emissions from operating an EV

Green Car Congress

Indirect emissions from BEVs depend on the mix of fuel sources used to generate electricity; countries differ widely in their fuel-source mix. Michael Sivak and Brandon Schoettle—did not consider the emissions associated with manufacturing each vehicle type in their analysis.

2017 78

Ricardo Energy & Environment launches real-world vehicle emissions monitoring service with individual vehicle identification in the UK

Green Car Congress

In the UK, increasing pressure to reduce the impact of pollution from vehicles has led to growing interest in the introduction of Clean Air Zones and Low Emission Zones. buses, heavy goods vehicles, vans and cars) and their respective contributions to emissions. Emissions Regulations

2017 112

Neste: use of our renewable fuels reduced global climate emissions by 8.3 million tons in 2017

Green Car Congress

Replacing fossil fuels with Neste’s renewable fuels reduced global climate emissions altogether by a 8.3 The emission reduction is calculated by comparing the life cycle greenhouse gas emissions of the renewable fuels that Neste produces in a year to the life cycle emissions of conventional European diesel. The amount of greenhouse gas emissions saved with Neste’s renewable fuels—primarily Neste MY Renewable Diesel—increased by 1.6

2018 60