Green Car Congress

DECEMBER 8, 2015

Worldwide, the vehicle fleet is not making enough progress on fuel economy and is failing to reach global targets aimed at reducing CO 2 emissions, cutting oil consumption and improving energy efficiency according to a new report from the Global Fuel Economy Initiative (GFEI) ( earlier post ) released at the Paris COP21 Climate Summit.

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Fuel Economy Economy Climate Global 150

Green Car Congress

APRIL 25, 2016

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. Eisazadeh-Far and Younkins (2016).

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Fuel Economy Economy GM GMC 150

Green Car Congress

FEBRUARY 22, 2018

Their study is publishedin the ACS journal Environmental Science & Technology. The found that using a GPF did not show any fuel economy and CO 2 emission penalties, while the emissions of total hydrocarbons (THC), carbon monoxide (CO), and nitrogen oxides (NOx) were generally reduced. Yang et al. Click to enlarge.

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Gasoline Emissions Engine Fuel Economy 253

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

JULY 9, 2017

In a new study, a team from the University of Central Florida and MIT has found that the US Corporate Average Fuel Economy (CAFE) Standards is an effective policy solution that does increase the adoption of EVs, whether it is implemented alone or in conjunction with another policy such as government incentives. —Sen et al.

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Market Fuel Economy Standards 2016 150

Green Car Reports

JANUARY 10, 2017

For nearly a decade, the average fuel economy of new cars sold in the U.S. Low gas prices and increased consumer interest in SUVs has caused calculated average new-car average fuel economy to plateau and, in the case of 2016's figures, decline slightly. The average fuel economy.

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Fuel Economy Economy Fuel Cars 60

Green Car Congress

APRIL 18, 2016

The 2016 Chevrolet Malibu Hybrid ( earlier post ) is EPA-rated at 46 mpg (5.11 The 2016 Chevrolet Malibu Hybrid ( earlier post ) is EPA-rated at 46 mpg (5.11 At the 2016 SAE World Congress, GM engineers presented a paper describing the development of the new hybrid powertrain for the popular mid-size sedan. liter engine.

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Malibu Hybrid 2016 Chevrolet Design 150

Green Car Congress

OCTOBER 8, 2019

California will meet its 2030 climate targets more than three decades late, in 2061, and could be more than 100 years late in meeting its 2050 target if the average rate of emissions reductions from the past year hold steady, according to a new study tracking more than a decade of environmental and economic indicators in the state.

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California Climate Transportation 2017 274

Green Car Congress

AUGUST 6, 2022

This analysis builds on a previous comprehensive life cycle analysis, updating that study’s 2016 assumptions and methods. The study provides a comprehensive analysis of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways; the levelized cost of driving (LCD); and the cost of avoided GHG emissions.

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Fuel Vehicles PHEV Carbon 417

Green Car Reports

DECEMBER 9, 2014

Today we''ve got specs on the 2016 Volvo XC90 T8 plug-in hybrid SUV, a paean from a very dedicated Tesla Model S owner, and a new study supporting the concept of using electric cars to stabilize utility grids. Average fuel economy.' All this and more on Green Car Reports.

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2016 Volvo Fuel Economy Tesla 122

Green Car Congress

FEBRUARY 5, 2016

A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet. —Zimmerman et al. 5b04444.

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Environment Emissions Exhaust 2014 150

Green Car Reports

AUGUST 17, 2015

Today, a dealer claims the 2016 Nissan Leaf will be offered with two battery-pack sizes, Tesla's attempt to curb local Supercharger use goes wrong, and a study claims fleet operators would largely support stricter fuel-efficiency standards for heavy-duty trucks. All this and more on Green Car Reports.

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2016 Fuel Economy Nissan Economy 60

Green Car Congress

JUNE 14, 2011

Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fuel economy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.

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Fuel Economy Economy Auto Industry Standards 199

Green Car Congress

DECEMBER 7, 2011

The current vehicle footprint-based Corporate Average Fuel Economy (CAFE) standards create a financial incentive for automakers to increase vehicle size, except under certain limited conditions of consumer preference for vehicle size, according to a study by University of Michigan researchers Kate Whitefoot and Steven Skerlos.

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Standards Fuel Economy Vehicles Economy 240

Green Car Congress

MARCH 9, 2016

Rice University researchers have determined a more effective way to use natural gas to reduce climate-warming emissions would be in the replacement of existing coal-fired power plants and fuel-oil furnaces rather than burning it in cars and buses. —Cohan and Sengupta (2016).

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Gas-Electric Gas Transportation Coal 150

Green Car Congress

OCTOBER 30, 2017

A new study by a team from the University of Pennsylvania and MIT suggests it will be easier for cities to reduce CO 2 emissions coming from residential energy use rather than from local transportation. The study is published in the Journal of Planning Education and Research. — Landis et al.

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Transportation Cleveland CO2 Phoenix 199

Green Car Congress

OCTOBER 3, 2013

Average monthly and model year fleet-wide achieved CAFE performance levels (light purple) versus NHTSA projected achieved CAFE levels (blue) for model years 2008 through 2016. Sivak and Schoettle compared the recent improvements in fuel economy with the projected CAFE performance levels anticipated by NHTSA. Click to enlarge.

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Fuel Economy MPG 2013 2012 220

Green Car Congress

JANUARY 28, 2018

Now, in a new study published in the ACS journal Environmental Science & Technology , researchers at Carnegie Mellon University have found that secondary organic aerosol (SOA) production from both port fuel injection (PFI) and gasoline direct injection (GDI) vehicles has been substantially reduced through the tightening of NMOG emissions.

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Standards Production Exhaust Gasoline 170

Green Car Congress

MAY 26, 2011

Using a long-term economic forecasting model that details patterns of vehicle ownership and use across the state, the study— Driving California’s Economy —evaluated scenarios ranging from existing vehicle emissions rules to standards representing higher expectations for emerging advanced technologies.

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Standards California Fuel Economy Transportation 218

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

JUNE 28, 2013

The study — Total Cost of Ownership: A Gas Versus Diesel Comparison —was conducted for Robert Bosch LLC; the results were released at the 2013 Alternative Clean Transportation Expo in Washington DC. —“Total Cost of Ownership”. Highlights from the diesel-gasoline comparisons include: Total Cost of Ownership.

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Cost Of Diesel Gasoline Vehicles 262

Green Car Congress

AUGUST 25, 2014

The human health benefits associated with improvements in air quality related to the reduction in greenhouse gas emissions improvements can offset 26–1,050% of the cost of US carbon policies, depending upon the type of policy, according to a new study by a team from MIT. precursors through 2030. —Gregory Nemet. Resources.

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MIT Carbon Climate Climate Change 231

Green Car Congress

DECEMBER 12, 2017

The trend toward recommending or requiring higher-octane fuel continues to rise as manufacturers work toward meeting stringent CAFE (Corporate Average Fuel Economy) standards. When using premium fuel in these vehicles under these conditions, AAA tests found that: Fuel economy for test vehicles averaged a 2.7%

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Fuel Fuel Economy Gasoline Vehicles 150

Green Car Congress

FEBRUARY 12, 2016

Among the findings of the study, published as an open-access paper in the journal Environmental Research Letters , was that battery electric vehicles with large battery capacity can produce two to three times as much air emissions damage as gasoline hybrid electric vehicles, depending on charge timing. Weis et al.

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Coal Pollution Grid Gasoline-Electric 150

Green Car Congress

MAY 26, 2015

Hyundai began the US rollout of the 2016 Hyundai Sonata Plug-in Hybrid Electric Vehicle (PHEV) ( earlier post ) and its conventional hybrid sibling (HEV) with a series of media drives in California—one of the main markets for the PHEV, which offers some 24 miles (38.6 Combined fuel economy (mpg). Engine power (kW).

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PHEV 2016 Hyundai Plug-in 150

Green Car Congress

JANUARY 15, 2016

The two lines mark the 1:1 and 1:2 ratios between real-world and official fuel consumption reductions. A joint study by Element Energy and the ICCT identified four main factors behind the discrepancies, all primarily related to different flexibilities in the vehicle testing procedure: Road load determination. Source: the ICCT.

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Fuel Economy Europe Fuel Economy 150

Green Car Congress

JULY 14, 2016

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. A new study by a team at the University of Toronto has made a preliminary assessment of the climate trade-off (i.e.,

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Climate Engine Carbon Fuel Economy 150

Green Car Congress

JUNE 19, 2015

The analysis used by federal agencies to set standards for fuel economy (CAFE) and greenhouse gas emissions for new US light-duty vehicles from 2017 to 2025 was thorough and of high caliber overall, according to a new report from the National Research Council. UMTRI Survey: US drivers want better fuel economy, don’t care how.

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Standards Fuel Economy Economy EPA 150

Green Car Congress

NOVEMBER 7, 2016

The REEV or PHEV also may present opportunities for more novel power sources such as turbines (Wrightspeed), fuel cell stacks (Nissan) or aluminum-air batteries (Phinergy and Arconic), speakers suggested. This fuel economy improvement is reduced to 3% in comparison to a modern CI (i.e. These improvements increase to 13.1%

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PHEV Engine Fuel Economy Economy 218

Green Car Congress

FEBRUARY 5, 2014

Broadly, the study by Stephanie Searle, Francisco Posada Sanchez, Chris Malins, and John German concludes that (a) technical barriers do not prevent the use of higher blends of ethanol, and (b) slow uptake of blends such as E15 and E85 is due to other factors, including high cost, legal and warranty issues, and consumer awareness and acceptance.

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Gasoline Exhaust Water Fuel 230

Green Car Congress

JANUARY 30, 2016

A study of eco-driving behavior in hybrid electric vehicles (HEVs) by a team from Technische Universität Chemnitz (Germany) and the University of Southampton (UK) has found that simply providing drivers with a technology that has the potential for high energy savings—i.e., —Franke et al. —Franke et al. McIlroy, Neville A.

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Energy Hybrid Prius Fuel 150

Green Car Congress

MAY 12, 2017

However, each material used in vehicle production contributes to lightweighting and improves fuel economy, but each does so at a different cost to the manufacturer—and to the environment. There have been numerous scientific LCA studies done in the last decade, including a 2016 Production Phase Emissions study.

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Audi 2000 North America 2018 207

Green Car Congress

AUGUST 23, 2013

Do they receive HOV access for their improved fuel economy and ultra low emissions? In fact in 6 of the states, diesel fuel is penalized with additional state taxes. So diesel fuel gets taxed twice or penalized twice at the federal and state level. Advanced diesel will increase to 23% in 2025 from 17% in 2016.

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Diesel Audi Sale Fuel Economy 366

Green Car Reports

AUGUST 22, 2016

Today, an auto-industry lobbying group takes aim at Corporate Average Fuel Economy (CAFE) standards, a new study argues that more electric cars will be needed to meet stricter fuel-economy standards, and fracking advocates use social media to target Millennials. A University of Michigan team wins the 2016.

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Industrial Industry Electric Cars Fuel Economy 60

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

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

FEBRUARY 23, 2017

In 2012, EPA and NHTSA set joint greenhouse gas and fuel economy standards over a decade in advance for MY 2022-2025. However, in November 2016, EPA issued a proposed determination maintaining the current standards without modification.

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EPA Light Auto Aston Martin 186