Green Car Congress

AUGUST 31, 2021

When service stations in Algeria stopped providing leaded gasoline in July, the use of leaded gasoline in cars ended globally. Tetraethyl lead was used as a gasoline additive to improve engine performance. By the 1970s, almost all gasoline produced around the world contained lead.

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Gasoline Algeria 2002 Environment 281

Green Car Congress

JULY 21, 2021

Advocacy group Coltura has published a report that finds converting the biggest users of gasoline to EVs in the next ten years is critical to reaching climate goals and that present EV policies are poorly suited to accomplishing that conversion. Among the findings of the report: Drivers are highly unequal in their gasoline consumption.

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Gasoline St. Louis Emissions Carbon 397

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

SEPTEMBER 30, 2019

vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fuel economy is available going back to 1923. The graph below shows the changes in actual vehicle fuel economy from 1966 through 2017.

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Fuel Economy 2017 Economy Light 397

Green Car Congress

MAY 22, 2020

Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. That’s where PNNL’s onboard separation technology comes in. —Allan Tuan.

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Fuel Economy Economy Fuel Gasoline 397

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). Yang et al.

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Gasoline Emissions Engine Fuel Economy 253

Green Car Congress

JANUARY 10, 2020

A new study by a team at the National Renewable Energy Laboratory (NREL) concludes that a high-pressure, scalable, intra-city hydrogen pipeline system could improve the economics and logistics of hydrogen delivery, making it potentially cost-competitive with gasoline. kg—approximately equivalent to a gasoline cost of $2.7/gal

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Hydrogen Gasoline Los Angeles Chad 298

Green Car Congress

FEBRUARY 21, 2013

In a study published in the journal Energy Economics , MIT researchers have found that a fuel economy standard is at least six to fourteen times less cost effective than a fuel tax when targeting an identical reduction in cumulative gasoline use (20% by 2050).

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Fuel Economy MIT Fuel Tax Economy 288

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% —Neyestani et al.

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Climate Carbon Engine Fuel Economy 348

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

AUGUST 19, 2012

A study by a team led by Dr. Dennis Assanis at the University of Michigan suggests that accessing the “thermodynamic sweet spot” in high-efficiency, dilute, boosted gasoline engines has the potential for vehicle fuel economy gains between 23% and 58%. Their paper is published in the International Journal of Engine Research.

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Fuel Economy Gasoline Economy Engine 236

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. —Ryan Kellogg, summarizing his research.

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Fuel Economy Chicago Economy Standards 150

Green Car Congress

OCTOBER 31, 2022

For example, we will account for regional differences in the total cost of ownership related to charging installation costs, electricity and gasoline costs, temperature effects on fuel economy, and insurance as well as federal and state EV incentives and policies. Projections of future gasoline and electricity prices.

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Michigan Gas-Electric Gas Batteries 199

Green Car Congress

AUGUST 10, 2015

Researchers at Tsinghua University in China are studying the effects of Dual-Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline. Alternatively, in the second study, gasoline–alcohol DFSI is based on PFI of gasoline and DI of alcohols.). —Liu et al.

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Gasoline Fuel Engine Fuel Economy 150

Green Car Congress

MARCH 3, 2021

In a recent collaborative study led by the University of Maryland (UMD), researchers found that consumers tend to buy something less fuel efficient than they normally would for their second car after buying an eco-friendly vehicle. The data revealed multiple trends that correlate with a decrease in overall fuel economy and efficiency.

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Purchase Fuel Economy Fuel Cash For Clunkers 220

Green Car Congress

MARCH 16, 2012

Environmental impacts of gasoline and E85. previous studies have followed the general framework of life cycle assessment (LCA), they have focused almost exclusively on quantifying the energy balance and GHG emissions associated with biofuels production. Error bar shows regional variations for E85. GW = global warming; Eut.

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Gasoline Water Emissions Minnesota 357

Green Car Congress

OCTOBER 29, 2012

The federal subsidy significantly favors larger battery packs to a stronger degree than their potential for additional gasoline savings. Non-domestic charging infrastructure is generally not necessary for operation of PHEVs, and substantial gasoline displacement can be achieved solely with home charging. Peterson and Michalek 2012.

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Gasoline PHEV Gasoline-Electric Batteries 308

Green Car Congress

FEBRUARY 24, 2011

NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy.

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Fuel Economy Economy Gasoline Diesel 186

Green Car Congress

MAY 26, 2021

years has been introduced to the transportation sector to displace petroleum gasoline. Biofuels, including corn ethanol, can play a critical role in the US desire for deep de-carbonization of its economy. The Argonne team used Argonne’s GREET model for this study. MMT cumulative GHG emission reduction from 2005 to 2019.

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2005 2019 Carbon Emissions 259

Green Car Congress

FEBRUARY 15, 2018

The US Department of Energy (DOE) has released two studies from the Co-Optimization of Engines & Fuels initiative ( Co-Optima ) ( earlier post ). These new blendstocks, co-optimized with advanced gasoline engines, show potential to improve passenger vehicle fuel economy by 10%. Blendstocks.

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Engine Gasoline-Electric Fuel Economy Gasoline 199

Green Car Congress

JULY 9, 2015

While alternative powertrains still represent a small percentage of market share compared to gasoline engines, the report noted, clean diesels saw a 10% increase in 2014 sales over 2013 sales, while hybrids saw a 10% decrease, pure electrics saw a 20% increase and compressed natural gas saw a 33% decrease. Belzowski 2015. Click to enlarge.

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Cost Of Gasoline Diesel Fuel Economy 150

Green Car Congress

JUNE 28, 2013

Diesel vehicles generally saved owners between $2,000 to $6,000 in total ownership costs during a three to five year period when compared to similar gasoline vehicles, according to data compiled by the University of Michigan Transportation Research Institute (UMTRI). —“Total Cost of Ownership”. Fuel Efficiency. Fuel Costs.

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Diesel Cost Of Gasoline Vehicles 262

Green Car Congress

JULY 19, 2013

Drivers of diesel vehicles can save thousands of dollars in total ownership costs compared to similar gasoline vehicles, according to a University of Michigan Transportation Research Institute (UMTRI) study.

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Gasoline Diesel Vehicles Fuel Economy 247

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

JUNE 7, 2017

A new study by researchers at the University of Colorado at Boulder projects the emission impacts of the widespread introduction of inexpensive and efficient electric vehicles into the US light duty vehicle (LDV) sector. The database includes joint Corporate Average Fuel Economy (CAFE) and GHG emission standards for LDVs.

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Emissions Economy Gasoline-Electric Coal 150

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. 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.

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Fuel Economy Economy Light Fuel 150

Green Car Congress

JULY 11, 2018

The results of this open-access study are published in the International Journal of Energy and Environmental Engineering. This fuel comprises 8,694 and 2,313 L/day of synthetic diesel and synthetic gasoline, respectively. A Greyrock Flare Gas-to-Fuels conversion process at an Ohio oil well was used as the base case for this LCA.

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Pollution Gas Emissions Fuel 258

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. six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions.

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Gasoline Engine Companies Power 240

Green Car Congress

JANUARY 8, 2016

spread between the fuel economy obtained with maximum and minimum rolling resistance tires. At the average 2015 price of regular gasoline, the obtained fuel-consumption extremes result in a $78 difference in the annual cost of gasoline per light-duty vehicle, Sivak said. with a median of 10.28 mpg (RRf at 8.1 mpg (RRf of 12.1

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Fuel Economy Economy Fuel MPG 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.

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Fuel Economy Diesel Economy Engine 150

Green Car Congress

FEBRUARY 15, 2016

A study by researchers at Carnegie Mellon University has concluded that regulatory incentives for OEMs for alternative fuel vehicles (AFVs) intended to encourage a technology transition in the transportation fleet result in increased fleet-wide gasoline consumption and emissions. Incentives for selling AFVs. Credit: ACS, Jenn et al.

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Gasoline Fleet Emissions Fuel 150

Green Car Congress

JANUARY 28, 2011

A new Carnegie Mellon University study released at the Washington Auto Show finds that for passenger cars, aadvanced vehicles with higher fuel economy—i.e, port fuel injected (PFI) gasoline—during periods of higher fuel costs. port fuel injected (PFI) gasoline—during periods of higher fuel costs.

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Gasoline Diesel Price Hybrid 231

Green Car Congress

APRIL 19, 2013

A study by a team from Ford Motor Company and AVL has concluded that a mid-level ethanol blend—greater than E20 but less than E40—appears to be attractive as a long-term future fuel for the US for use in engines optimized for the higher octane blend. These include: Lower energy content than that of gasoline. Earlier post.)

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Engine Fuel Ford Future 253

Green Car Congress

AUGUST 19, 2021

To do this, they added up emissions data from production and lifetime operation for a commercial walking robot and different cargo vans, including human-driven and self-driving models, gasoline- and battery-powered models and two cargo sizes. Among their findings: The robot’s contribution to life cycle GHG emissions is small (2–6%).

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Miles Carbon Ford Vehicles 221

Green Car Congress

SEPTEMBER 4, 2013

The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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Fuel Economy Diesel Economy Gasoline 239

Green Car Congress

JANUARY 14, 2014

In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. Still, the study found, the lowest emitting stoichiometric GDI vehicle exceeded the diesel Euro 5 limit (6×10 11 #/km) by more than 100%. Earlier post.).

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Gasoline Audi Fuel Engine 304

Green Car Congress

NOVEMBER 7, 2017

A team at the University of Michigan Transportation Research Institute (UMTRI) study has assessed the relative amounts of greenhouse-gas emissions from driving a battery-electric vehicle (BEV) compared with greenhouse-gas emissions from driving a traditional gasoline-powered vehicle in different countries of the world.

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Emissions Albania Botswana MPG 150