Green Car Congress

JUNE 23, 2014

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Resources (DOE will publish Merit Review presentations on its website.). Earlier post.).

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Fuel Economy Economy Gasoline Downsizing 357

Green Car Congress

MARCH 6, 2013

Sivak found that while the vehicle fuel economy of the entire light-duty fleet improved by 40% (from 13 mpg US to 21.6 l/100km), because of the decrease in vehicle load, the occupant fuel economy only improved by 17% (from 24.8 Combining these two effects yields a reduction of about 14% in the amount of fuel used.

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Fuel Economy Economy Fuel North America 311

Green Car Congress

OCTOBER 11, 2014

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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Fuel Economy EPA Economy PHEV 312

Green Car Congress

DECEMBER 30, 2013

Prototype low-viscosity ionic liquid-additized engine oil demonstrated a 2% improved fuel economy compared to Mobil 1 5W-30 engine oil (3.93% over the 20W-30 baseline oil) in standard fuel efficiency engine dynamometer tests. Jun Qu, Dinesh G. Bansal, Bo Yu, Jane Y. Howe, Huimin Luo, Sheng Dai, Huaqing Li, Peter J.

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Fuel Economy Oil Economy Engine 369

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

NOVEMBER 16, 2011

The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. L/100km), if the vehicles were to meet this CO 2 level all through fuel economy.

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Fuel Economy EPA Economy MPG 338

Green Car Congress

AUGUST 9, 2011

For purposes of the new HD National Program, the heavy-duty fleet incorporates all on-road vehicles rated at a gross vehicle weight at or above 8,500 pounds, and the engines that power them, except those covered by the current GHG emissions and Corporate Average Fuel Economy standards for model year 2012-2016 passenger vehicles.

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Fuel Economy Standards Obama Economy 344

Green Car Congress

MARCH 15, 2013

Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. The fleet-wide average real world MY 2011 personal vehicle CO 2 emissions value is 398 g/mi and average fuel economy is 22.4

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Fuel Economy 2012 EPA Economy 284

Green Car Congress

DECEMBER 3, 2013

The US Environmental Protection Agency (EPA) and the Department of Energy (DOE) are releasing the 2014 Fuel Economy Guide, providing consumers with a resource to identify and choose the most fuel efficient and low greenhouse gas emitting vehicles that meet their needs.

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Fuel Economy 2014 EPA Economy 246

Green Car Congress

NOVEMBER 11, 2014

These formulations have also been certified by the American Petroleum Institute (API) to exceed requirements of the most recent service category issued by API’s Lubricants Group—the API SN “Resourcing Conserving” designation. A key component of the ILSAC GF-5 designation is demonstrated fuel economy improvement.

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Fuel Economy Oil Economy Motor 230

Green Car Congress

MAY 8, 2013

Especially with increased production volume of renewable fuels and optimized powertrain solutions for flexible fuel vehicles, there is a chance for combustion engines to not only remain in the market but also be sustainable for future vehicle. improvement in fuel economy over the baseline engine for the Metro-Highway (M-H) cycle.

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Fuel Economy Economy Fuel Engine 278

Green Car Congress

SEPTEMBER 16, 2012

The BUSolutions demonstrator LCO-140H (Low Cost of Ownership–1 st 40-foot Hybrid) series hydraulic hybrid transit bus yields fuel economy of 6.9 The goal was to develop a significantly lighter-weight, heavy-duty bus design that yields superior fuel efficiency to conventional buses at a lower lifecycle cost. Click to enlarge.

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Fuel Economy Economy Hybrid MPG 294

Green Car Congress

JUNE 20, 2014

Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fuel economy is a must due to the climate change and energy issues. Economy with Superior Thermal Efficient Combustion (ESTEC),” SAE Technical Paper 2014-01-1192 doi: 10.4271/2014-01-1192. Kurauchi, T.

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Fuel Economy Economy Engine Toyota 278

Green Car Congress

OCTOBER 10, 2014

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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Fuel Economy MPG Economy EPA 230

Green Car Congress

DECEMBER 13, 2013

MY 2012 adjusted fuel economy is 23.6 mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. l/100 km) fuel economy, which, if achieved, will again represent all-time records. Click to enlarge. l/100 km), which is 1.2 mpg, or 22%. Click to enlarge.

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Fuel Economy 2012 Economy EPA 247

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

AUGUST 10, 2017

New analysis commissioned by Ceres, a sustainability nonprofit organization working with investors and companies, suggests that national fuel economy and emissions standards can help increase the viability and international competitiveness of domestic automakers and suppliers. The analysis, “ What’s Driving the U.S —Alan Baum.

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Fuel Economy Economy Standards Emissions 186

Green Car Congress

JUNE 23, 2014

Cycle-based CAE analysis of fuel economy contribution of critical technologies. This entails overall lean homogeneous combustion with early primary injection and an air/fuel ratio of ~20-30:1. Resources (DOE will publish Merit Review presentations on its website.). Earlier post.). Electric TiVCT system. Source: Ford.

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Fuel Economy Economy Ford Engine 247

Green Car Congress

JANUARY 6, 2021

The study found no statistically significant average effect of TNC entry on fuel economy or transit use but did find evidence of heterogeneity in these effects across urban areas, including larger transit ridership reductions after TNC entry in areas with higher income and more childless households. Ward et al. 2020.101933.

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Fuel Economy Vehicles Economy 2017 418

Green Car Congress

JANUARY 9, 2014

To make driving less energy intensive than flying, the fuel economy of the entire US fleet of light-duty vehicles would have to improve from the current 21.5 Without any improvement in vehicle fuel economy, an average vehicle load of more than 2.3 Aviation Fuel Efficiency Market Background' persons to at least 2.3

Energy 344

Energy Fuel Economy Personal Economy 344

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

MARCH 22, 2017

l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030.

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Fuel Economy Economy Fuel Price 210

Green Car Congress

FEBRUARY 25, 2014

At that time, PSA said it expected the new D-EGR engines, due to be available in PSA vehicles by 2018, would consume 10% less fuel than their predecessors across all uses. Engines Fuel Efficiency Vehicle Systems' PSA has been a member of the HEDGE consortium (now at HEDGE-III ) since 2004. L GDI Engine,” (SAE 2014-01-1190 ).

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Fuel Economy Engine Fuel Economy 277

Green Car Congress

DECEMBER 2, 2013

The fuel economy of the supercapacitor fuel cell hybrid, they noted, is higher despite the vehicle being heavier and more expensive. The main objective of this paper is to give an evaluation study of different FCHEV powertrains from the point of view of the fuel economy, cost and powertrain component sizing.

Energy Storage 364

Energy Storage Fuel Hybrid Fuel Economy 364

Green Car Congress

APRIL 12, 2023

The US Department of Energy (DOE) is proposing a significant revision in its procedures for calculating a value for the petroleum-equivalent fuel economy of EVs for use in the Corporate Average Fuel Economy (CAFE) program administered by the Department of Transportation (DOT). Background. Proposed PEF.

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Fuel Economy Economy Fuel 2000 150

Green Car Congress

JULY 8, 2017

The CNG buses had an average fuel economy of 3.89 Using data from two days of CNG bus operation on the route serviced by the BEBs line, the NREL team found that the BEB fuel economy was more than 8 times higher than that of a CNG bus operating exclusively on that route. mpgge, equating to 4.34 —NREL report.

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Fuel Economy Economy Fuel Maintenance 210

Green Car Congress

JANUARY 5, 2021

The battery-electric locomotive is expected to reduce the environmental impact from emissions along the route in an efficient manner, while improving the fuel economy for the entire consist by at least 10%. When running on the mainline, both the battery-electric and diesel locomotives will power the train.

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California Batteries Battery Electrical 459

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% W/m 2 over urban regions. Rawad Saleh.

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Climate Carbon Engine Fuel Economy 348

Green Car Congress

AUGUST 17, 2015

In a new report, researchers at the University of Michigan Transportation Research Institute (UMTRI) have calculated the actual, on-road fuel economy for the entire fleet of all vehicles in the US, and for different classes of vehicles, with primary interest in light-duty vehicles (cars, pickup trucks, vans, and SUVs), between 1923 and 2013.

Fuel Economy 150

Fuel Economy 2013 Economy MPG 150

Green Car Congress

SEPTEMBER 28, 2012

The project, to be completed by early 2015, will scale up the passenger car TEG and integrate it with a 15-liter diesel engine to provide fuel economy improvement and auxiliary power for combat vehicles. This follow-on light-duty vehicle project, funded in 2011, has a target of a 5% fuel economy improvement.

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Fuel Economy Energy Waste Vehicles 341

Green Car Congress

APRIL 24, 2012

Furthermore, popular four-stroke gasoline fuel efficiency improving techniques such as direct injection and turbocharging for downsizing/down speeding should have an additive, and in some cases, compounding efficiency benefit when combined with the advantages offered by the opposed-piston, sleeve-valve architecture. —Willcox et al.

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Light Fuel Economy Engine Fuel 304

Green Car Congress

SEPTEMBER 29, 2018

The California Air Resources Board (CARB) yesterday voted to clarify its requirement that automakers must comply with California vehicle standards if they sell vehicles in the state. A provision adopted in 2012 establishes that cars meeting federal standards for model years 2017-2025 are “deemed to comply” with California’s standards.

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California Fuel Economy Fuel Economy 236

Green Car Congress

NOVEMBER 10, 2012

The AFDC’s new Petroleum Reduction Planning Tool is an interactive Web application that allows fleet managers to evaluate the benefits associated with five alternative fuels—biodiesel, electricity, ethanol, natural gas and propane—along with a variety of efficiency measures, such as idle reduction and fuel economy improvements.

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Transportation Alternative Fuels Fleet Fuel Economy 388

Green Car Congress

JUNE 6, 2020

The study concludes that, with appropriate policy support, the renewable hydrogen sector can reach self-sustainability (price point at parity with conventional fuel on a fuel-economy adjusted basis) by the mid- to late-2020s. per kilogram by 2025.

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Hydrogen Renewable Price Fuel 357

Green Car Congress

AUGUST 3, 2015

In other words, they found that they real-world fuel economy benefit of adoption of HEVs may be better than for estimates based on EPA “sticker” fuel economy alone. Our real-world VSP-specific FCR measurements suggest computed FTP (city) cycle CV fuel use would be nearly 2 times higher than for the HEV and 1.3

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Fuel Economy EPA Economy Fuel 150

Green Car Congress

SEPTEMBER 24, 2014

However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fuel economy and natural gas compressor efficiency.

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Gas-Electric Gas Fuel Economy Economy 345

Green Car Congress

MARCH 5, 2022

there is substantial variation in emissions based on where and when a vehicle is charged and operated, due to the impact of ambient temperature on fuel economy and the spatiotemporal variability in grid carbon intensity across the United States. Woody et al. years for sedans, 1.4 years for SUVs, and 1.3 Maxwell Woody et al.

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Light Gas Ford Vehicles 435