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Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fueleconomy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fueleconomy dipped 22% from 42.5
In a study published in the journal Energy Economics , MIT researchers have found that a fueleconomystandard 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).
The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fueleconomy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. EPA’s proposed GHG standards, which are. mpg US (5.87 mpg US (5.87
A research vehicle fitted with a flywheel hybrid system including stop-start has demonstrated improvements in fueleconomy of up to 22.4% In the industry-standard NEDC cycle, the flywheel hybrid including stop-start achieved an 11.9% FHSPV flywheel CVT system layout. Click to enlarge. in the new European ARTEMIS test cycles.
Laboratory and in-use fueleconomy comparison. higher fueleconomy than the conventional tractors, resulting in a 12% reduction in fuelcosts for the hybrids. higher fueleconomy than the conventional tractors, resulting in a 12% reduction in fuelcosts for the hybrids.
liter Pentastar V-6 engine (Ward’s 10 Best Engines Award two years in a row) with variable-valve timing (VVT) offers best-in-class standard 305 hp (227 kW), with 269 lb-ft (365 N·m) of torque and best-in-class fueleconomy for V-6 trucks, according to Chrysler. Specific fueleconomy figures are note available yet.)
The BUSolutions demonstrator LCO-140H (Low Cost of Ownership–1 st 40-foot Hybrid) series hydraulic hybrid transit bus yields fueleconomy 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.
The US Environmental Protection Agency (EPA) and US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) released their long-expected notice of proposed rulemaking (NPRM) to adjust the Congressionally-mandated Corporate Average FuelEconomy (CAFE) and Light-Duty Vehicle Greenhouse Gas Emissions Standards.
The enhanced D13 Turbo Compound (D13TC) engine from Volvo Trucks is now standard on all Volvo VNL models, providing enhanced fuel efficiency and reducing overall cost of ownership. In Europe and other key markets, the D13TC engine has exceeded expectations and has proven to be fuel efficient, reliable and popular with drivers.
l/100 km) in 2016, the The ICCT team assessed increased consumer label fueleconomy (as opposed to the regulatory test fueleconomy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fueleconomy by more than 60% from 2016 through 2030. Source: The ICCT.
kW on-board charger is now standard on all trims, which enables the battery to be charged in less than six hours at a 240V charging station. When equipped with DC Fast Charging (optional on SE, standard on Limited Edition and SEL Premium), the battery can be charged up to 80% within an hour at a DC fast charging station.
A team at Carnegie Mellon University has found that engineering design modifications that compromise other performance attributes—specifically acceleration—offer a pathway to reduce the cost to automakers of compliance with fueleconomystandards. —Whitefoot et al.
Vehicle efficiency improvements via effective standards and policies could reduce annual CO 2 e emissions from the US, China, and the EU by 1.3 Also, performance standards generally do not incentivize automakers to surpass the minimum requirements. Gt at a savings of about $135 billion per year by 2030. Source: McKinsey & Co.,
Switching from the automotive standards to the trading scheme could save as much as €63 billion, says the study’s lead author Sergey Paltsev, deputy director at MIT’s Joint Program on the Science and Policy of Global Change and senior research scientist at the MIT Energy Initiative. —Sergey Paltsev.
A new analysis from the Consumer Federation of America (CFA) of consumer polling data finds that the proposed MY 2017-2025 passenger vehicle fueleconomy (CAFE) and greenhouse gas (GHG) emissions standards to be finalized this summer ( earlier post ) align with consumer demands and needs. mpg US (5.87 Poll Results. Poll Results.
Only in the case of high EV market share and a high renewable electricity standard (RES) do EVs make a material contribution to greenhouse gas (GHG) reductions, they found. The orange increment, in the 20% EV and 100% EV cases, is from linking fuel efficiency standards. Credit: ACS, Choi et al. Click to enlarge.
However, they also noted, high PTW efficiencies and the moderate fueleconomies 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 fueleconomy and natural gas compressor efficiency.
IEA fueleconomy readiness index status, 2010. New propulsion systems requiring new fuels, such as plug-in electric vehicle systems and fuel cell systems, are beyond the scope of this technology roadmap and are treated in separate roadmaps. Average fueleconomy and new vehicles registrations, 2005 and 2008.
The acquired data provides important insights into the fuel spray motion as well as the timing and quantity of soot formed under a wide range of conditions. However, this comes at the cost of higher particulate matter emissions. —Sandia researcher Scott Skeen. This method reduces heat loss and allows for freer airflow.
Coming to dealerships this spring with an EPA-estimated range rating of up to 252 miles (for XLE front-wheel drive models, based on EPA’s testing procedure standards), the 2023 Toyota bZ4X will have a starting MSRP of $42,000. The EPA-estimated fueleconomy rating for XLE FWD is 131 MPGe city, 107 MPGe highway and 119 MPGe combined.
The analysis used by federal agencies to set standards for fueleconomy (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. only the MY 2017-2021 CAFE standards are final. Background.
The nonpartisan US Congressional Budget Office (CBO) estimates that federal policies to promote the manufacture and purchase of electric vehicles, some of which also support other types of fuel-efficient vehicles, will have a total budgetary cost of about $7.5 billion through 2019. Indirect effects. That effect may be large.
which are regulated under the National Ambient Air Quality Standards (NAAQS) because of their adverse effects on human health and the environment. In this report, MECA provides our assessment of technologies being commercialized by component suppliers, including MECA members, to help their customers comply with future lower NO x standards.
The new report is a companion to a report released by MECA in June 2019 that provides an assessment of market-ready technologies for heavy-duty diesel vehicles to meet lower intermediate NOx standards by 2024 (“ Technology Feasibility for Model Year 2024 Heavy-Duty Diesel Vehicles in Meeting Lower NOx Standards ”). —Ed].
For the Transportation sector, EIA projects that energy consumption will decline between 2019 and 2037 (in the Reference case) because increases in fueleconomy more than offset growth in vehicle miles traveled (VMT). Light-duty vehicle miles traveled increases by 20% in the Reference case, growing from 2.9 trillion miles in 2018 to 3.5
This AOI is to address two major technical gaps in the performance of automotive aluminum alloys: Low strength among cost competitive automotive sheet alloys such as 5xxx and 6xxx series. High cost of high-strength aluminum alloys such as high performance 6xxx and 7xxx series. AOI 10: Fuel Property Impacts on Combustion. ($1M)
However, advances in 12V technology coupled with the component costs of 42V DC to DC converters conspired to render such a major change impractical, and original equipment manufacturers (OEMs) at the time decided to keep 12V as the standard. —“48 Volt Systems for Stop-Start Vehicles and Micro Hybrids”.
The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fueleconomy and cargo hauling and towing ability. Meeting the 2025 standard will require an average improvement in fueleconomy of about 4.1%
The US EPA, National Highway Traffic Safety Administration (NHTSA) and California Air Resources Board (ARB) have released the Draft Technical Assessment Report mid-term evaluation of greenhouse gas emissions and fueleconomystandards for light-duty cars and trucks for model years (MY) 2022-2025.
Demand for HFO-1234yf is increasing around the world in response to concerns about greenhouse gas emissions and the need to comply with the Mobile Air Conditioning (MAC) Directive in Europe and Corporate Average FuelEconomy (CAFE) regulations in the US.
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. times the cost of implementing a cap-and-trade program.
Emerging economies are stepping up their efforts to promote and develop clean energy. The costs of most clean energy technologies fell more rapidly than anticipated. Many countries, including emerging economies, introduced or strengthened energy efficiency regulations. The target is to be backed by government funding of US$3.6
However, owing to small scale and limited competition, dispensed hydrogen fuel prices currently are higher, averaging about $16.30/kg About half of the levelized cost of retail station hydrogen can be attributed to hydrogen delivery, compression, and dispensing costs. kg—approximately equivalent to a gasoline cost of $2.7/gal
new appliance standards and CAFE) and changes in the way energy is used in the US economy. quadrillion Btu in 2025, due to incorporation of the model year 2017 to 2025 GHG and CAFE standards for LDVs. Growth in diesel fuel consumption will be moderated by the increased use of natural gas in heavy-duty vehicles.
million units, China will be the third-largest market for 48 V micro-hybrids despite having a more attractive total cost of ownership than 48 V micro-hybrids sold in the US. This is due to stricter long-term regulations in the US as well as a greater need to ramp up fuel efficiency to catch up to regulations, Lux said.
According to the analysis, under current standards, buyers of model year 2025 vehicles would fully recoup the extra cost for technology in the vehicle in the third year of ownership under a cash-purchase scenario. Consumer benefits would be more than 3 times the costs of the standards. Fuel savings are 2.4
At launch, it will also meet greenhouse gas (GHG) requirements through 2016, and 2015 California Air Resources Board (ARB) standards, including on-board diagnostics. creates new opportunities for our OEM customers as a compact and lightweight engine that delivers best-in-class fuel efficiency and total cost of ownership.
Projected rates of fuel consumption improvement under different scenarios relative to past experience and the 2016 and 2025 CAFE standards. Many of the vehicles on the road in 2030 will have been built by 2015, and these will lower the fueleconomy of the on-road fleet. Source: NRC. Click to enlarge. —Douglas M.
The high cost of specialty precursor materials and the energy and capital-intensive nature of the conversion process are the principal contributors to the high cost of the end product. Growing demand from the automotive industry is due in large part to the global push to increase the fueleconomy of nearly every vehicle produced.
In addition to introducing tighter fueleconomy or CO 2 standards for trucks, governments may need to consider mandates for the electrification of fleets, including those of governments and transport operators. Yet, the rising cost of batteries will not derail near-term EV adoption.
The US Environmental Protection Agency (EPA) and the Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) are jointly proposing Phase 2 standards for medium- and heavy-duty vehicles to improve fuel efficiency and cut greenhouse gas emissions. Proposed CO 2 and Fuel Consumption Standards.
The fuel cell vehicle currently is available at three southern California Hyundai dealers: Win Hyundai in Carson; Tustin Hyundai; and Hardin Hyundai in Anaheim. When we spoke with customers about fuel cell vehicles, many wondered about the cost of hydrogen. million km). She begins her new role effective 1 August 2014.
High entry costs may exist for new technologies, and therefore lead to high cost of switching to these new technologies for users. The policy initiatives reviewed and analysed in this report show that AFVs are being deployed with diverging sets of standards, incentives, business models and degrees of government involvement.
Driven by increasing population, urbanization and rising living standards, the world will require some 35% more energy in 2040, according to ExxonMobil’s annual forecast report: Outlook for Energy: A View to 2040. This unprecedented improvement in global fueleconomy is expected to reflect a surge in hybrid vehicle sales.
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