Green Car Congress

SEPTEMBER 5, 2020

In one of the first comprehensive assessments of the fuel economy standards in the United States, researchers from Princeton University and the University of Tennessee found that, over their 40-year history, the standards helped reduce reliance on foreign oil producers, cut greenhouse gas emissions, and saved consumers money.

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Fuel Economy Economy Standards Fuel 307

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

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). —Karplus et al.

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Fuel Economy MIT Fuel Tax Economy 288

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 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

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

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%. —Lavoie et al. —Lavoie et al. Martz and Dennis N.

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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

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

OCTOBER 12, 2015

Researchers at the MIT Joint Program on the Science and Policy of Global Change have compared the worldwide economic, environmental, and energy impacts of currently planned fuel economy standards (extended to the year 2050) with those of region-specific carbon prices designed to yield identical CO 2 emissions reductions.

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Fuel Economy MIT Economy Fuel 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 Battery 199

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

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

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

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

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Fuel Economy Economy Fuel MPG 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

JUNE 8, 2017

Gasoline engines can operate lean to improve fuel economy, potentially reducing CO 2 emissions significantly. Further, advances in combustion development for gasoline have led to the potential for reduced engine-out NO x emissions for homogeneous lean operation compared to stratified lean operation.

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Gasoline Engine Insight Clean 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, 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

MAY 4, 2012

Engineers at Transonic Combustion, a start-up developing a fuel efficient supercritical (SC) fuel injection and combustion system—Transonic Combustion, or TSCi ( earlier post )—have demonstrated the TSCi process using gasoline fuel at low load without EGR, medium load with EGR, and high speed low load with EGR.

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Fuel Economy Gasoline MPG Economy 262

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

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

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Fleet Engine Global Fuel Economy 207

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

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). Fuel Efficiency. Fuel Costs. —“Total Cost of Ownership”.

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Cost Of Diesel 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

JULY 11, 2018

A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas.

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Pollution Gas Emissions Fuel 258

Green Car Congress

MAY 2, 2012

The Global Fuel Economy Initiative ( GFEI ) ( earlier post ) launched its second three-year effort to improve vehicle fuel economy around the world at the International Transport Forum in Leipzig. litres of gasoline equivalent per 100km. —“Global Fuel Economy Initiative Plan of Action 2012-2015.

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Fuel Economy Economy Global Fuel 231

Green Car Congress

SEPTEMBER 12, 2009

Average fuel economy of purchased new light-duty vehicles by month, including projection without the program. Generally, the trade-in vehicles must have had fuel economy of 18 mpg or less and be less than 25 years old. The results indicate that the program improved the average fuel economy of all vehicles purchased by 0.6

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Cash For Clunkers Fuel Economy MPG Purchase 246

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

MAY 21, 2010

Strengthening the fuel economy of medium- and heavy-duty trucks could create as many as 124,000 jobs in the US by 2030, with all 50 states experiencing net job growth, according to a new report by the Union of Concerned Scientists (UCS) and CALSTART. per gallon fuel price. per gallon fuel price. per gallon.

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Fuel Economy Economy Fuel Gasoline-Electric 239

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

MAY 29, 2010

According to Harris Interactive’s 2010 AutoTECHCAST study, conducted between 6-26 April 2010, there is currently greater demand among US vehicle owners for technologies that deliver improved fuel economy of existing gasoline-driven engines at a lower initial cost, rather than for higher-priced alternative-fueled engines.

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Fuel Economy Gasoline-Electric Engine Fuel 199

Green Car Congress

JUNE 12, 2010

Fuel economy was similar between the gHEVs and diesel vehicles, except for the highest kinetic intensity drive cycle where the hybrid exhibited ~20% higher fuel economy. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas.

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Fuel Economy Economy Gasoline Diesel 199

Green Car Congress

APRIL 10, 2014

ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. In a paper on the OBS presented at the SAE 2014 World Congress, the researchers suggested that potential applications include downsizing to increase fuel economy by ?10%

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Gasoline Engine Toyota Fuel Economy 316

Green Car Congress

JULY 22, 2009

From October 2007 to April 2009, the average fuel economy of purchased new light-duty vehicles improved from 20.2 Michael Sivak and Brandon Schoettle also found that while there was a significant negative relationship between the unemployment rate and the number of vehicles purchased, the price of gasoline did not have a major impact.

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Fuel Economy Purchase Economy Fuel 150

Green Car Congress

MAY 8, 2013

At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Combustion studies.

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Fuel Economy Economy Fuel Engine 278

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. But that’s only one element of the equation.

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Gasoline Diesel Price Hybrid 231