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Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge. Knittel, 2009. Knittel, Christopher R.
Utilizing technologies such as turbocharging, direct injection, twin independent variable camshaft timing (Ti-VCT) and six-speed transmissions, the upgraded powertrain portfolio will deliver more than 20% in fuel economy improvement to Ford’s passenger vehicle fleet in China by 2015 while reducing tailpipe carbon dioxide emissions by 20%.
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.
Light duty vehicle fleet by type and average fuel efficiency. Growth is led by developing regions such as China, India, Africa and other emerging economies. Growth is led by developing regions such as China, India, Africa and other emerging economies. Source: ExxonMobil Outlook. Click to enlarge. L/100 km) by 2040.
New fleet efficiency horizon in terms of energy intensity and fuel consumption. rate compared to historical fleet averages and recent US regulations. Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., Adjusted on-road fuel economy correspondingly would be 41 mpg (5.74
Ford views EcoBoost as a strategy as well as a product—one that will serve as a key element of Ford’s CO 2 and fuel economy product strategy—said Dan Kapp, Director, Ford Powertrain Research and Advanced Engineering, during a briefing on the company’s fuel economy strategies in Dearborn. Planning background.
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. —Saliba et al.
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.
Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.
For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. Methodology.
The testing process compares fuel economy performance from the vehicle in its original condition with the performance using XL Hybrids’ charge-sustaining hybrid system. This year, the company will release between 30 to 50 fleet trials, Ashton told Green Car Congress , using the 2012 system. engine and 6-speed transmission. Both the 2.0
The SuperTurbo’s supercharger function enhances the transient response of a downsized and turbocharged engine, and the turbo-compounding function offers the opportunity to extract the available exhaust energy from the turbine rather than opening a waste gate. Downsizing from a 3.2L improved fuel economy 17%, and downsizing from a 4.2L
l/100 km) highway or better; and to reduce the average CO 2 tailpipe emissions of its US fleet by 15%. Opel also estimates it will reduce the average carbon tailpipe emissions from its fleet by 27% by 2020. Earlier post.).
Current fuel economy policy clearly demonstrates this fact. The federal government is pushing their fleet-procurement decisions almost completely to EVs and hybrids irrespective of costs. —“The Case for Technology Neutral Public Policy in Fuel Economy Debate”. Impact of different sales mix on new car average fuel economy.
To address this request, the NRC formed the Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy. Further, the benefits of some technologies are not completely represented in the tests used to estimate corporate average fuel economy (CAFE).
Vehicle size, a key determinant of fuel economy, has shown a reduction in OECD countries, while the non-OECD trend is toward bigger vehicles. The analysis, an update of an earlier work using data from 2010 and 2011, found that the global average for light-duty vehicle fuel economy was 7.2 Source: GFEI. Click to enlarge. Earlier post.)
Yesterday, the US Environmental Protection Agency (EPA) and the National High Traffic Safety Administration (NHTSA) jointly established increasingly stringent greenhouse gas emission standards under the Clean Air Act for 2012 through 2016 model-year vehicles and fuel economy standards under the Corporate Average Fuel Economy program, respectively.
The auto industry’s current materials portfolio will need to be augmented to meet new 2025 fuel economy standards, according to a WardsAuto and DuPont Automotive survey conducted in late July. The WardsAuto, DuPont survey was conducted just before the Obama administration’s originally proposed 2025 fleet average of 56.2
Then, Chrysler announced that it intended to apply to the US Department of Energy’s (DOE) Transportation Electrification stimulus program for a federal grant, which would enable Chrysler to establish a nationwide demonstration fleet of zero-emission electric minivans that could be used by the US Postal Service for mail delivery.
The new approach to natural gas combustion technology is designed to provide vehicle and engine original manufacturers (OEMs) with a “downsized” natural gas solution that is cost competitive while providing similar levels of power, torque, and fuel economy to a larger diesel engine.
This first report (Phase I) examines only the impact of improving the efficiency of fossil-fueled vehicles, in which efficiency gains are delivered by the improvement of the internal combustion engine vehicle, including lightweighting, engine downsizing and hybridization.
While policies worldwide are tightening emissions and fuel economy standards, the strictest standard of all is expected in Europe in 2020, Bohr said—average fleet CO 2 emissions of 95 grams per kilometer. This will be done with a broad range of efficiency-enhancing technologies, including the turbocharging of downsized engines.
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. liter downsized turbocharged centrally-mounted direct injection engine. Yang et al. Click to enlarge. —Yang et al.
In response, MECA (Manufacturers of Emission Controls Association), commented : Suppliers of emission control and efficiency technologies will continue to innovate and introduce new advancements to further improve fuel efficiency while continuing to lower tailpipe emissions across the light-duty vehicle fleet.
On 15 Sep, NHTSA and the US EPA proposed a joint rulemaking on fuel economy and greenhouse gas emissions for light duty vehicles: an average new car 34.1 mpg if the automotive industry were to meet this CO 2 level just through fuel economy improvements.) ( Earlier post.). mpg and 250 g CO 2 /km for model year 2016. Earlier post.)
Chrysler’s new powertrain strategy is relying on the rapid transfer of Fiat Group technology for Multiair; Gasoline Direct Injection; turbocharging and alternative fuels to support rapid downsizing and improvement of fuel economy, along with the simplification of the company’s engine line-up, according to Paolo E.
As the Obama Administration considers stricter fuel economy regulations, automakers are expected to lower the overall weight of vehicles by approximately 400 pounds (181 kg) per vehicle, and as aluminum use increases, the mix percent is expected to double. Twenty percent of all bumpers in 2012 will be aluminum. kg) per year per light vehicle.
In recent tests, the DuoDrive taxi demonstrated a 56% improvement in fuel economy compared to a standard London Taxi (TX2), and simulations predict that an improvement of 100% is possible with further optimization. EVO Electric Ltd., Bridgestone ECO-Rally on 7 July.
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. They assumed a baseline fuel economy of 21.4 Credit: ACS, Zimmerman et al. Click to enlarge. mpg (10.99
Customers are now beginning to demand more fuel efficient vehicles, and recent legislation is mandating 40% improvement in.fuel economy between now and 2016. Many improvements in fleet fuel economy in Europe have been achieved through increased diesel market share, with the diesel market share in Europe now above 50%.
This situation means it is in the interest of the major brands to implement stop-start technology as standard (once the benefits have been established) to meet government targets for average fleet fuel consumption. —“ Start-Stop Vehicles ”. This also offers opportunities for other engine efficiencies such as electric boost.
Major automotive suppliers see national fuel economy standards as important for long-term planning and investment and don’t want to see them altered by US policymakers, according to a first-of-its-kind industry survey commissioned by CALSTART and conducted by Ricardo Energy & Environment.
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.
i-DTEC for the entire journey were two members of Honda’s European Research & Development (R&D) team, Fergal McGrath and Julian Warren, who took on the challenge to further demonstrate the real-world fuel economy of the Tourer. The system uses the car’s speedometer to advise drivers how their driving style is impacting on fuel economy.
By rightsizing engines with available technologies, automakers are able to continue applying the benefits of smaller turbocharged engines while fine-tuning powertrain systems to further optimize fuel economy, emissions and performance. E-boosting products can significantly improve engine responsiveness and also provide better fuel economy.
At a fleet level, Optima will result in an additional 9%–14% fleet greenhouse gas (GHG) reduction by 2040. High-research octane number (RON) fuels are known to enable more efficient, higher-performance SI operation via engine downsizing and boosting. That is not to say that things will stay as they are now.
Dedicated ethanol (or E85) engines have the promise to improve efficiency substantially over comparable regular gasoline engines through direct-injection, increased geometric CR, variable valve timing, exhaust gas recirculation, aggressive turbocharging, and downsizing and/or downspeeding.
The additional control of compressed air for transient performance provided by Cobra means that we can purge diesel particulate filters and other forms of exhaust after-treatment for NO x reduction and, most importantly, without compromising fuel economy. Phil Bush, technology manager at Eminox.
If opting for the front-wheel drive ADX, fuel economy numbers are 26/31/28. Fuel economy numbers reported by Clean Fleet Report are non-scientific, and represent the reviewers driving experience using the dash gauge computer. Hitting the Open Road Clean Fleet Report was intrigued to drive the 2025 Acura ADX A-Spec AWD.
The Freightliner SuperTruck uses a downsized and downsped 10.7-liter This reduces friction, and increases efficiency and fuel economy. Fleet: Schneider, Walmart. Engines Fleets Fuel Efficiency Heavy-duty' —Derek Rotz, principal investigator for SuperTruck, Daimler Trucks North America. Click to enlarge. Powertrain.
Essential to this is the recognition that current fuels available in the marketplace constrain engine efficiency and limit the potential fuel economy and greenhouse gas improvements available across the light, medium, and heavy duty transportation fleet. Infrastructure and legacy fleet compatibility. Fuel Properties.
Rapid downsizing, improved fuel economy and simplification of the company’s engine line-up – they are the key elements of Chrysler’s new powertrain strategy. Battery electric vehicles will follow.
Its dive into the financial doldrums was short-lived however, and on July 10, 2009, the company bounced back with the formation of a new, downsized GM (see article ). The company was created from the old GM’s strongest operations and was reborn with a clear focus on building better and more environmentally friendly vehicles.
Plans "large demonstration fleet" late 2009. Saab GM-owned company exploring PHEVs Joint Venture with Volvo and others to research PHEVs Toyota 500 PHEV 2010-model Priuses with lithium batteries to be leased for fleet tests in 2009 (150 in U.S.) Plans Cadillac Converj, Opel Ampera, other versions. Plans Saturn Vue PHEV-10.
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