Green Car Reports

MAY 21, 2023

A new study suggests EVs aren't staying in the U.S. vehicle fleet as long as gasoline cars and trucks, which could be a problem for reducing real-world fleet emissions. The average age of light-duty vehicles in the U.S. has hit a record high 12.5

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Gasoline Fleet Light Global 166

Green Car Congress

SEPTEMBER 30, 2019

Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. million cars and light trucks sold in the United States in 2017 accounted for only 6.9% Concerning the latter: Even if all 755,000 plug-in cars and light trucks that were sold in the U.S.

Fuel Economy 397

Fuel Economy 2017 Economy Light 397

Green Car Congress

APRIL 3, 2019

A new study released by the US Department of Agriculture (USDA) finds greenhouse gas emissions from corn-based ethanol are about 39% lower than gasoline. The study also states that when ethanol is refined at natural gas-powered refineries, the greenhouse gas emissions are even lower—around 43% below gasoline.

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Gasoline Colombia 2010 Emissions 255

Green Car Congress

APRIL 12, 2018

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. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine. —Han et al.

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Fuel Economy Gasoline Economy Emissions 186

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 ). As testament to the filtration efficiency of the latest gasoline particulate filters (GPFs), tailpipe mass emissions are now as low as 0.02

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Exhaust Emissions Pollution Legal 539

Green Car Congress

JUNE 15, 2021

The study considers five different powertrains (internal combustion engine, hybrid-electric, plug-in hybrid-electric, fuel-cell-electric, and battery-electric) and 12 cost components (purchase cost, depreciation, financing, fuel, insurance, maintenance, repair, taxes, registration fees, tolls and parking, payload capacity and labor).

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Maintenance Cost Of Chad Plug-in 418

Green Car Congress

FEBRUARY 22, 2018

Their study is publishedin the ACS journal Environmental Science & Technology. 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).

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Gasoline Emissions Engine Fuel Economy 253

Green Car Reports

MAY 3, 2021

As we’ve heard in so many different ways from those who’ve seen the light, there’s no turning back. About 1 out of 5 drivers who go electric do shift back to gasoline. Fortunately, most Americans who make the shift to an electric vehicle are converts for life. But it’s not always that way. And that rate of.

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Gasoline Gasoline-Electric Convert Light 201

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.

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Gasoline Emissions Diesel San Francisco 239

Green Car Congress

AUGUST 1, 2013

One high-efficiency combustion concept under investigation is gasoline compression ignition (GCI)—the use of gasoline-like fuels to deliver very low NO x and PM emissions as well as high efficiency in a diesel compression ignition engine. direct-injection light-duty diesel engine. Earlier post.) —Adams et al.

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Gasoline Diesel Engine 2007 320

Green Car Congress

NOVEMBER 8, 2021

A team of biologists and engineers modified Rhodopseudomonas palustris TIE-1 (TIE-1) so that it can produce a biofuel using only three renewable and naturally abundant source ingredients: carbon dioxide, solar panel-generated electricity and light. —Arpita Bose, associate professor of biology in Arts & Sciences, and leader of the study.

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Solar Light St. Louis Power 319

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%. The four-year study by chemist Franz M. 3 , respectively, being 2.7

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Ozone Gasoline Pollution Gasoline-Electric 316

Green Car Congress

JUNE 22, 2020

A team from the National Renewable Energy Laboratory (NREL) and the Idaho National Laboratory has produced a detailed assessment of the current levelized cost of light-duty electric-vehicle charging (LCOC) in the United States, considering when, where, and how EVs are charged. kWh for light-duty BEVs and $0.14/kWh Borlaugh et al.

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Cost Of Light Charging 2019 293

Green Car Congress

JULY 28, 2022

Yamato Transport and Commercial Japan Partnership Technologies Corporation (CJPT) will begin studying the standardization and commercialization of replaceable and rechargeable cartridge batteries. CJPT intends to advance plans for commercial BEVs powered by cartridge batteries.

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Standards Commercial Transportation Battery 225

Green Car Congress

JUNE 11, 2019

By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Therefore, these resting cells function as nano-microbial factories powered by light.

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Light CO2 Power Powered 334

Green Car Congress

DECEMBER 24, 2013

and PM 10 emissions—mainly from gasoline-fueled light-duty vehicles (LDVs)—in the Washburn Tunnel in Houston Texas as a mechanism for better determining the contribution of LDVs to particulate emissions. studies by reporting all three Pd-group PGEs (i.e., We improve upon earlier U.S. —Bozlaker et al.

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Gasoline Light Houston Vehicles 261

Green Car Congress

JANUARY 25, 2020

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. The market share of GDI-equipped vehicles increased from 2.3% in model year 2008 to 51% in model year 2018.

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Climate Carbon Engine Fuel Economy 348

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.

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Fuel Economy Economy Fuel Ozone 186

Green Car Congress

MARCH 25, 2016

Roof racks on light-duty vehicles in the US were responsible for 0.8‰ (permille, parts per thousand) of light duty vehicle fuel consumption in 2015, corresponding to 100 million gallons of gasoline per year, according to a new study by a duo from the National Renewable Energy Laboratory (NREL) and Lawrence Berkeley National Laboratory.

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Gasoline 2016 Light 2015 150

Green Car Congress

AUGUST 8, 2022

Researchers in the Transport Technologies Division of Saudi Aramco have used using computational fluid dynamics (CFD) and advanced machine learning (ML) techniques to co-optimize the piston bowl and the injector design of a gasoline compression ignition (GCI) engine. A paper on their work is published in the journal Fuel. 2022.125455.

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Light Engine Design Fuel 186

Green Car Congress

JUNE 19, 2013

Preliminary results from a new study by a team from Oak Ridge National Laboratory (ORNL) and the University of Wisconsin suggest that the fuel properties of moderate biofuel blends such as E20 and B20 increase the benefits of the use of Reactivity Controlled Compression Ignition (RCCI). Earlier post.). Earlier post.). —Hanson et al.

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Light Engine Gasoline Wisconsin 207

Green Car Congress

OCTOBER 24, 2016

A research team from Empa (Swiss Federal Laboratories for Materials Science and Technology) and the University of Applied Sciences Bern, Laboratory for Exhaust Emission Control, reports that ethanol blending appeared to reduce genotoxic emissions from a flex-fuel Euro-5 gasoline direct injection (GDI) vehicle (a Volvo V60 with a 1.6

Gasoline 150

Gasoline Emissions Exhaust Vehicles 150

Green Car Congress

APRIL 2, 2018

Researchers at KAUST in Saudi Arabia, with colleagues from Saudi Aramco and the National University of Ireland Galway, have developed a new method for investigating the auto-ignition behavior of bioethanol-blended gasolines. Various gasoline surrogates, ranging from single to multi-components, have been proposed in the literature.

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Gasoline Auto Saudi Arabia Fuel 199

Green Car Congress

JANUARY 15, 2018

The first result of this agreement is the demonstration vehicle that will be shown at the 2018 North American International Auto Show (NAIAS): a light-duty truck with an Opposed-Piston Gasoline Compression Ignition (OPGCI) Engine. At that time, Achates said it would demonstrate the engine in 2018 in a driveable light-duty truck.

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Gasoline Engine Companies Power 240

Green Car Congress

FEBRUARY 25, 2013

Variation of indicated thermal efficiency with increased EER at 3500 rpm and light load. in blends with gasoline or neat—do not make the best use of ethanol’s potentials in improving engine performance, they noted in a paper on their work in the journal Fuel. gasoline only—to 60.1%. Zhuang and Hong, 2013.

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Gasoline Engine Fuel Australia 247

Green Car Congress

FEBRUARY 29, 2012

Their study appears in the ACS journal Environmental Science & Technology. Unlike the results for gasoline vehicles, the measured BC emission factor for heavy-duty diesel vehicles was in reasonable agreement with previous measurements. derived emission factors. Credit: ACS, Liggio et al. Click to enlarge.

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Gasoline Emissions Light Carbon 252

Green Car Congress

JUNE 20, 2017

Larger trucks and SUVs with powerful, high-displacement engines are the low-hanging fruit for any policymaker seeking the most efficient path to reducing gasoline use and the associated emissions, according to an issue brief by an expert in the Center for Energy Studies at Rice University’s Baker Institute for Public Policy.

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Gasoline SUV Emissions Light 150

Green Car Congress

JUNE 12, 2017

NGVA Europe, the European Natural & bio Gas Vehicle Association, has published its own study about the impact on greenhouse gas (GHG) emissions from the use of natural gas as transportation fuel.

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Gas Europe Diesel Light 150

Green Car Congress

MAY 29, 2014

In a companion study to an SAE paper presented in April ( earlier post ), researchers at MIT have quantified the net economic and CO 2 emissions benefit that could be obtained by utilizing 98 RON gasoline in light-duty vehicles, based on reasonable assumptions for possible refinery changes and the evolution of the LDV fleet.

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Gasoline MIT Design Emissions 230

Green Car Congress

FEBRUARY 8, 2016

Among their findings was that E20 offers higher peak load capability and thermal efficiency than gasoline. In the newly reported study, they examined in-cylinder fuel blending with port fuel injection of gasoline or E20 and early-cycle, direct injection of ultra-low sulfur diesel or B20.

Gasoline 150

Gasoline Wisconsin Exhaust Emissions 150

Green Car Congress

AUGUST 9, 2019

A paper on their study appears in the journal Energy Policy. This study implements three main research contents. (1) Correspondingly, the energy structure would become much cleaner, with the share of gasoline declining from 62% in 2012 to 29% in 2050 and the share of electricity increasing to 56% in 2050.

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Transportation Emissions China Taxi 316

Green Car Congress

MAY 18, 2012

Light-duty vehicle fuel economy penalties for CNG in conventional engines, with and without scaling for performance equivalence. up-sizing”) to deliver comparable performance to the gasoline-fueled version. up-sizing”) to deliver comparable performance to the gasoline-fueled version. seconds for gasoline. Source: ANL.

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Light Fuel Gasoline-Electric Vehicles 218

Green Car Congress

SEPTEMBER 17, 2015

A team led by researchers from the National Research Council Canada has investigated the effect of the use of a gasoline particulate filter on the size and morphology of PM emitted from a light-duty gasoline-direct-injection (GDI) vehicle over the FTP-75 and US06 transient drive cycles. Earlier post.) Meghdad Saffaripour, Tak W.

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Gasoline Canada Light Engine 150

Green Car Congress

JULY 9, 2015

Sales of light-duty vehicles with alternative powertrains in 2014 was a mix of increases and decreases over 2013 sales. The report— Total Cost of Ownership: A Diesel Versus Gasoline Comparison (2012-2013) —was underwritten by Robert Bosch LLC. —Bruce Belzowski. Alternative powertrain sales. Belzowski 2015. Model year.

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Cost Of Gasoline Diesel Fuel Economy 150

Green Car Congress

MAY 5, 2011

A team from the University of Wisconsin and General Motors has found that high-speed gasoline direct injection compression ignition (GDICI) operation in the low temperature combustion (LTC) regime in a light-duty diesel engine is feasible. On the contrary, gasoline fuels have CN lower than 30 (or RON higher than 60).

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Wisconsin Gasoline Light Diesel 220

Green Car Congress

MARCH 20, 2014

Findings from a study by researchers at the University of California, Berkeley and Berkeley National Laboratory suggest that lubricating oil is the dominant source of primary organic aerosol (POA) from both gasoline- and diesel-powered vehicles. 7500 light duty, 50?200 Credit: ACS, Worton et al. Click to enlarge.

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Oil Gasoline Diesel Vehicles 207

Green Car Congress

JANUARY 5, 2015

Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode. During RCCI-only operation, fuel usage was found to be between 57 and 69% gasoline.

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Fuel Economy Economy Light Fuel 150