Green Car Congress

SEPTEMBER 20, 2013

Although a lightweight steel vehicle has a lower production phase environmental impact, those initial gains are erased by higher energy use and carbon emissions during the steel vehicle’s use phase, the study found. Source: Sujit Das, ORNL. Click to enlarge. Source: Sujit Das, ORNL. Click to enlarge. —Sujit Das. Click to enlarge.

Emissions 281

Emissions Vehicles CO2 SUV 281

Green Car Congress

AUGUST 9, 2019

A team of researchers in China suggest that, in the context of promoting the use of clean fuel vehicles and increasing vehicle fuel efficiency, CO 2 emissions of China’s urban passenger transport sector could reach a peak of 225 MtCO 2 in 2030. A paper on their study appears in the journal Energy Policy. —Li and Yu.

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Transportation Emissions China Taxi 316

Green Car Congress

JULY 7, 2022

This will significantly reduce overall CO 2 emissions. —Zetian Mi, professor of electrical and computer engineering at the University of Michigan, who led the study. The project was supported through the Emission Reduction Alberta ERA, based at McGill University in Canada, former home of Mi.

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Water CO2 Green Solar 504

Green Car Congress

NOVEMBER 24, 2020

T&E has commissioned Emissions Analytics to test three of the most popular PHEVs sold in 2019: a BMW X5 (longest EV range PHEV available), a Volvo XC60 and the Mitsubishi Outlander. Unless you drive them softly, carbon emissions can go off the charts. —Julia Poliscanova, senior director for clean vehicles at T&E.

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Plug-in CO2 Plug Emissions 243

Green Car Congress

SEPTEMBER 9, 2022

million metric tons, will avoid the emission of 3.5 The feasibility, scalability and innovativeness of this concept were confirmed by scientists from RWTH Aachen University in a study commissioned by thyssenkrupp Steel at the beginning of 2021. That is already five percent of the Ruhr region’s greenhouse gas emissions.

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Low CO2 Hydrogen CO2 Power 448

Green Car Reports

MAY 4, 2021

As buzz around synthetic fuels builds, the Europe-focused environmental group Transport & Environment (T&E) cautions that vehicles burning these supposedly greener fuels may cause more carbon-dioxide (CO2) emissions than battery-powered vehicles, and cost more as well.

CO2 218

CO2 Emissions Fuel Batteries 218

Green Car Congress

APRIL 14, 2021

a leader in propulsion efficiency, announced at SAE International’s WCX the results of their collaborative study on the effectiveness of Tula’s diesel Dynamic Skip Fire (dDSF) in reducing nitrogen oxides (NO x ) and carbon dioxide (CO 2 ) emissions on a Cummins X15 HD Efficiency Series diesel engine. Cummins Inc. Earlier post.).

Diesel 370

Diesel CO2 Emissions Engine 370

Green Car Congress

APRIL 11, 2012

A team at George Washington University has demonstrated a new solar process that can produce lime (CaO) for cement without any emission of carbon dioxide, and at lower projected cost than the existing cement industry process. The majority (about 60%) of those CO 2 emissions result from the production of lime. The CO is produced.

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Solar Emissions CO2 Carbon 285

Green Car Congress

SEPTEMBER 28, 2020

A new analysis of the real-world usage of more than 100,000 plug-in hybrid electric vehicles shows a large deviation between on-road CO 2 emissions and fuel efficiency and the official vehicle type-approval values. Patrick Plötz, Coordinator of the Business Unit Energy Economy at Fraunhofer ISI and lead author of the study.

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Emissions PHEV Re-Charge Plug-in 334

Green Car Congress

NOVEMBER 11, 2016

The European Union (EU) recently adopted CO 2 emissions mandates for new passenger cars, requiring steady reductions to 95 gCO 2 /km in 2021. The model also includes representation of fleet turnover, and opportunities for fuel use and emissions abatement, including representation of electric vehicles. —Paltsev et al.

Standards 218

Standards Emissions CO2 Europe 218

Green Car Congress

DECEMBER 26, 2019

Researchers at EPFL have patented a new concept that could cut trucks’ CO 2 emissions by almost 90%. In their study, the scientists used the example of a delivery truck. Only 10% of the CO 2 emissions cannot be recycled, and the researchers propose to offset that using biomass. 2019.00143.

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Emissions CO2 Exhaust Carbon 332

Green Car Congress

AUGUST 27, 2012

A new report from MIT’s Joint Program on the Science and Policy of Global Change suggests that a tax on carbon emissions could help raise the money needed to reduce the US deficit, while improving the economy, lowering other taxes and reducing emissions. —John Reilly. Earlier this month, Congressman Jim McDermott (D-Wash.)

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Tax MIT Carbon Emissions 312

Green Car Congress

JUNE 28, 2018

Countries seeking to meet Paris Agreement targets on CO 2 emissions must get a grip on the amount of pollution produced at city level, according to a new open-access study published in S cience Advances by an international team of researchers from Europe and China. Total CO 2 emissions of 182 Chinese cities. Shan et al.

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Emissions CO2 Laos Pollution 210

Green Car Congress

FEBRUARY 27, 2011

Net emissions resulting from the use of plug-in hybrid electric vehicles (PHEVs) depend on the efficiency of the conventional vehicle fleet; PHEV CD (all-electric, charge-depleting mode) efficiency; charging strategy; battery pack capacity; driving patterns; and generator mix used for charging. Scott Peterson, J. L/100 km) efficiencies.

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PHEV Emissions CO2 Gasoline-Electric 240

Green Car Congress

MAY 6, 2022

All regions of the world do not—and will not—experience the effects of CO 2 emissions in the same way. A study by University of Chicago economist Esteban Rossi-Hansberg, the Glen A. CO 2 Emissions and Temperature Under the Paris Agreement. Some will suffer greatly from climate change, while others may even benefit.

Tax 397

Tax Carbon Global Climate Change 397

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 was published online 24 May in the ACS journal Environmental Science & Technology. and NO x emissions. Among the findings of the study: CO 2. Credit: ACS, Huo et al. Click to enlarge.

Coal 291

Coal Gasoline-Electric Gasoline Pollution 291

Green Car Congress

AUGUST 22, 2017

According to a new study by Bosch, the use of e-fuels—synthetic fuels based on renewable energy—in Europe by 2050 as a scheduled supplement to electrification could save up to 2.8 gigatons of CO 2 : three times Germany’s carbon-dioxide emissions in 2016. Top: Threefold pathway to a de-fossilized powertrain. Source: Bosch.

Emissions 210

Emissions Fuel CO2 Gasoline-Electric 210

Green Car Congress

SEPTEMBER 9, 2012

A recent study by an international team calculated that shipping causes a net cooling of climate across all parametrizations of the indirect aerosol effect (IAE) and scenarios throughout the period 1900?2050. A recent study commissioned by the International Maritime Organization (IMO) estimated total emissions of 1046 Tg CO 2 yr ?1

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Climate Emissions Ozone 2007 240

Green Car Congress

JUNE 29, 2021

a leader in propulsion efficiency, will release the findings of a recent simulation study to evaluate the efficacy of its newest technology at the FEV Powertrain Conference. The study validated that Tula’s Dynamic Skip Fire (DSF) developed for mild-hybrid diesel vehicles reduced CO 2 emissions in a 2.3 Tula Technology, Inc.,

Diesel 186

Diesel CO2 Emissions Hybrid 186

Green Car Congress

JUNE 15, 2011

Gerlach based his findings on a review of five published studies of present-day global volcanic carbon dioxide emissions, which he then compared to anthropogenic (human-induced) carbon dioxide output. The published projected anthropogenic carbon dioxide emission rate for 2010 is about 35 billion metric tons per year. (In

Emissions 249

Emissions CO2 Indonesia Carbon 249

Green Car Congress

MARCH 11, 2022

At the International Engine Congress in Baden-Baden (Germany), Liebherr-Components AG and US-based Tula Technology presented the results of their joint study on heavy machinery. Based on simulations, Tula’s diesel Dynamic Skip Fire (dDSF) software ( earlier post ) allowed the reduction of NO x tailpipe emissions by 41% and CO 2 by 9.5%.

Diesel 259

Diesel CO2 Congress Engine 259

Green Car Congress

APRIL 5, 2013

US energy-related CO 2 emissions in 2012 were the lowest since 1994, at 5.3 With the exception of 2010, emissions have declined every year since 2007. The largest drop in emissions in 2012 came from coal, which is used almost exclusively for electricity generation. Duke study.

Coal 265

Coal 2012 Emissions Energy 265

Green Car Congress

MAY 3, 2020

A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline.

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Fuel Economy Economy Light 2018 482

Green Car Congress

OCTOBER 8, 2022

Engineers from UNSW Sydney (Australia) have successfully converted a diesel engine to run as a dual-fuel hydrogen-diesel engine, reducing CO 2 emissions by more than 85% compared to conventional diesel. Kook’s team shows that using their patented hydrogen injection system reduces CO 2 emissions to just 90 g/kWh—85.9%

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Hydrogen Diesel Fuel CO2 448

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 294

Emissions Hybrid CO2 Gasoline-Electric 294

Green Car Congress

JULY 9, 2020

Although large emissions cuts are urgently needed to achieve global climate goals, it may take decades before we can measure the effect of the reductions on global temperature evolution, according to a new study by researchers at Norway’s CICERO Center for International Climate Research. Samset, Jan S. Fuglestvedt and Marianne T.

Emissions 291

Emissions Global Climate 2020 291

Green Car Congress

OCTOBER 8, 2012

Its expanding production is driving rainforest destruction and massive carbon dioxide emissions, according to a new study led by researchers at Stanford and Yale universities. This accounts for 60% of Kalimantan’s total forest cover loss in that time, according to the study’s authors.

Oil 273

Oil 2020 Emissions Indonesia 273

Green Car Congress

APRIL 21, 2014

Contribution of modeled CO 2 emissions from SOC to the life cycle of biofuel from corn residue. The findings cast doubt on whether biofuels produced from corn residue can be used to meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions 60% compared to gasoline. Error bars are ± one standard deviation.

Carbon 220

Carbon Emissions CO2 Nebraska 220

Green Car Congress

MARCH 17, 2012

An analysis of the US refining sector, based on linear programming (LP) modeling, finds that refining plausibly high volumes of Canadian oil sands crudes in US refineries in 2025 would lead to a modest increase in refinery CO 2 emissions (ranging between 5.4% and incidental energy losses due to flaring, fugitive emissions, etc.

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Oil-Sands Oil Emissions CO2 247

Green Car Congress

OCTOBER 24, 2009

Thirteen scientists and land use experts conclude in a new paper that an important but fixable error in legal accounting rules used to measure compliance with carbon limits for bioenergy could undermine efforts to reduce greenhouse gas emissions by encouraging deforestation. Their paper is published in the 23 Oct. Accounting rules.

Emissions 285

Emissions Carbon Climate Change Climate 285

Green Car Congress

AUGUST 7, 2020

Researchers at the University of Surrey (UK) are to begin work on a new lithium-ion battery technology that is capable of capturing CO 2 emissions, following a £243,689 award from the Engineering and Physical Sciences Research Council (EPSRC). However, the development of Li-CO 2 batteries is still in its infancy stage.

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Li-ion CO2 Batteries Battery 333

Green Car Congress

SEPTEMBER 20, 2013

The EROI ratio and GHG emissions/MJ of (a) algae-derived diesel and (b) algae-derived gasoline produced using HTL. The GHG emissions for HTL-derived algae fuels are also lower than other existing algae-to-energy processes based on transesterification, the researchers reported in their paper, published in the journal Bioresource Technology.

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Fuel CO2 Gasoline Columbus 299

Green Car Congress

NOVEMBER 23, 2011

A new study by researchers at MIT has found that factoring the non-CO 2 combustion emissions and effects into the lifecycle of a Synthetic Paraffinic Kerosene (SPK) aviation fuel can lead to a decrease in the relative environmental merit of the SPK fuel compared to conventional jet fuel. Aviation climate change impacts pathway.

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MIT Climate Emissions Fuel 273

Green Car Congress

JULY 3, 2016

A study by a team at University of Illinois at Urbana−Champaign has found that, with currently achievable performance levels, synthetic fuels produced via the electrochemical reduction of CO 2 and the Fischer-Tropsch (FT) process system are not economically and environmentally competitive with using petroleum-based fuel. —Li et al.

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Conversion Fuel CO2 Carbon 240

Green Car Congress

JULY 29, 2012

Vehicle efficiency improvements via effective standards and policies could reduce annual CO 2 e emissions from the US, China, and the EU by 1.3 The US, China, and the EU could reduce their combined annual CO 2 emissions by 1.3 Similar policies can trigger comparable innovations to reduce greenhouse gas emissions, they suggest.

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Standards Emissions Economy Fuel 300

Green Car Congress

AUGUST 25, 2019

Researchers in the UK report that, with a bit of management, a largely untended slag heap could absorb significant amounts of CO 2 , partially offsetting the emissions from steel production. Their open-access paper is published in the ACS journal Environmental Science & Technology. Pullin et al.

CO2 262

CO2 Carbon Waste Water 262

Green Car Congress

MARCH 19, 2021

In this study, a series of Al 2 O 3 - and MgAl 2 O 4 -based Ni catalysts, prepared with varying synthesis and pretreatment methods, were evaluated for methane TCD performance at 650 °C and characterized before and after reaction to elucidate activity-structure relationships. GIF by Mike Perkins | Pacific Northwest National Laboratory).

CO2 397

CO2 Hydrogen Carbon West Virginia 397