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Developed for hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), BorgWarner’s innovative Exhaust Heat Recovery System (EHRS) can improve fueleconomy by up to 8.5% The EHRS reduces mechanical losses by using the energy conserved within the exhaust gas. and reduce emissions significantly.
Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.
Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fueleconomy estimates for city, highway, and combined driving for all U.S.-legal
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
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 fueleconomy (CAFE) target of 26 mpg (9.05 Exhaust system configuration. Earlier post.). l/100 km) for a vehicle of that size.
liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fueleconomy is a must due to the climate change and energy issues. Performance recovery.
D-EGR is an engine and control concept that combines fuel reforming to produce hydrogen with high levels of exhaust gas recirculation (EGR) to achieve very high levels of thermal efficiency. Engines Fuel Efficiency Vehicle Systems' In 2013, SwRI reported a 2.0-liter other actuators used to enable the control of D-EGR combustion.
Standard fuel consumption is 4.2 seconds; top speed is 250 km/h (155 mph); fuel consumption of 6.8 Controllable flaps in the exhaust system modulate the sporty sound and make it even richer. The low overall weight positively impacts especially on acceleration, handling and fuel consumption. Diesel Fuel Efficiency'
liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fueleconomy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted six-cylinder power plants. Stellantis revealed its new, 3.0-liter, of torque).
Initiated by MAN with partners from industry and research institutes, it aims to define the steps necessary to produce a dual-fuel, medium-speed engine capable of running on diesel-fuel and ammonia. MAN Energy Solutions Two-Stroke Business has already announced that it will deliver ammonia-fueled engines by 2024.
CVVD optimizes both engine performance and fuel efficiency while reducing emissions. The valve control technology regulates the duration of valve opening and closing according to driving conditions, achieving a 4% boost in performance and a 5% improvement in fuel efficiency. T-GDi—the first engine to feature the technology.
Fueleconomy targets for the vehicle are 22.4 At the recent 2103 SAE World Congress, Cummins discussed key engine technology enablers—including air-handling, fuel system, and base engine design— and development of the combustion system that will help in achieving the target emission levels and fueleconomy.
liter V-6 EcoDiesel is also expected to lead the segment on fueleconomy. Pricing and fueleconomy ratings will be announced closer to the truck’s on-sale date. liter EcoDiesel V-6 delivers increased torque and horsepower, along with fueleconomy and minimal levels of noise, vibration and harshness (NVH).
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.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fueleconomy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 This enables further reduced fuel consumption and emission levels plus powerful torque even at low engine speeds.
At the Mid-America Trucking show, PACCAR companies Kenworth and Peterbilt introduced more fuel efficient version of their heavy-duty models: the Kenworth T680 Advantage and the Peterbilt Model 579 with EPIQ package. Kenworth says that the T680 Advantage can deliver up to a 5% fuel efficiency enhancement over a standard T680.
Shell has partnered with the Airflow Truck Company to collaborate on a hyper-aerodynamic, fuel-efficient Class 8 concept truck: Starship. This next-generation concept truck features a custom, aerodynamic design and aims to demonstrate improvements in fueleconomy for Class 8 trucks. and ending in Jacksonville, Fla. consumption.
In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Vehicle fuel efficiency on FTP. +35% Background. Earlier post.) Earlier post.)
FlyZero compared zero-carbon emission energy sources such as batteries, hydrogen and ammonia; the team concluded that green liquid hydrogen is the most viable, able to power large aircraft utilizing fuel cell, gas turbine and hybrid systems. The UK has expertise and capability today in these, but little in liquid hydrogen fuels.
The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. TEG & Exhaust System in Lincoln MKT. This follow-on light-duty vehicle project, funded in 2011, has a target of a 5% fueleconomy improvement.
Both intake and exhaust camshafts feature continuously variable valve timing, and the exhaust camshaft further adds variable valve lift and duration through the use of two distinct camshaft lobe profiles. This placement allows for rapid warm up and greater thermal management of the exhaust stream, increasing efficiency.
Toyota estimates that the 2019 Avalon Hybrid will boost fueleconomy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 liter four-cylinder Dynamic Force Engine is more fuel efficient, runs cleaner, and is more powerful than previous iterations, and excels at dissipating thermal inefficiencies. l/100 km) combined.
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.
Ford says the engine can deliver up to 15% better fueleconomy than comparable six-cylinder engines. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Class-exclusive Active Grille Shutters are designed to help improve MKC fuel efficiency at highway speeds.
Turbo with Active Fuel Management and stop/start technology, All-new 2.7L Turbo with Active Fuel Management and stop/start technology paired with an eight-speed automatic transmission (SAE-certified at 310 hp/348 lb-ft). Chevrolet is offering a progression of Active Fuel Management on its 5.3L The next-gen Silverado with the 2.7L
It operates at high temperatures—above the temperature for spontaneous reaction from any fuel—to enable combustion without a flame. Low-cost ceramics enable temperatures beyond the limitations of metals to deliver fuel efficiencies of power plants in small-scale distributed power.
GMZ Energy, a market leader in the development of high-temperature thermoelectric generation (TEG) solutions, has successfully demonstrated a 1,000W TEG designed for diesel engine exhaust heat recapture in a Bradley Fighting Vehicle. GMZ is targeting a fueleconomy improvement of 5%. Earlier post.) Click to enlarge.
OBS is a membrane-based process that separates gasoline into higher and lower octane fractions—essentially creating a dual fuel system from a single base fuel—allowing optimal use of fuel components based on engine requirements. 100 RON product when using regular unleaded (RUL) 92 RON gasoline as the base fuel.
The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The study used two fuels—an E10 and E15.
Daimler is currently systematically preparing for series production of the Mercedes-Benz GLC F-CELL; the company had shown preproduction models of the hydrogen fuel cell SUV at the IAA International Motor Show in Frankfurt last September ( Earlier post.). The PEM fuel cell is structured like a sandwich. Click to enlarge. —Prof.
Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fueleconomy rating exceeding 45 mpg (5.22 The engine also features Chevrolet’s first application of Exhaust Gas Heat Recovery, or EGHR, technology, which uses exhaust heat to warm the engine and cabin.
Better efficiency also means better reliability, economy as well as lower emission levels. The high pressure fuel pump of the second generation Duramax engine operates at pressures up to 2,000 bar, enabling increased engine efficiency. The second generation engine offers better fueleconomy, performance and lower emissions.
Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. Delphi 500+ bar GDi pump. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies.
With the refresh for 2021 Camry models, Toyota is introducing the first XSE Hybrid grade, combining the Camry’s most fuel-efficient powertrain with its highest expression of the sport and luxury blend. for XSE grade, which uses a dual-outlet exhaust). 2021 Camry XSE Hybrid. -ft. of peak torque at 5,000 rpm (206 hp and 186 lb.-ft.
US EPA fueleconomy estimates are not yet available, however, other models equipped with this engine have seen a 25 – 30% improvement in fuel efficiency over their direct gasoline-powered counterparts. The system plays a significant role in the reduction of fuel consumption as well as exhaust emissions.
Do they receive HOV access for their improved fueleconomy 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. TDI clean diesel represents almost 25% of Audi and Volkswagen US sales.
Power management company Eaton has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fueleconomy. This technology enables precise valve lift control through HLA, coupled with engine braking capability, which in turn helps reduce emissions and improve fueleconomy.
In the paper, “ Total Cost of Ownership (TCO) Analysis for Heavy Duty Hydrogen Fueled Powertrains ”, the authors investigated three potential combustion approaches for hydrogen: H 2 -PFI SI (Port Fuel Injection with Spark Ignition). operating costs with AVL’s existing TCO models for diesel and fuel cell powertrains.
Their paper is published in the ACS journal Energy & Fuels. Regulated emissions for all test fuels over the cold-start and hot-start LA92 cycles. A fueleconomy penalty was also observed for lower energy content E30 and E78 blends compared to both E10 fuels. Data presented as mean ± standard deviation, N=3.
One of the main groups of pollutants resulting from fuel combustion is the oxides of nitrogen, or NO x. Future fueleconomy standards will result in lower exhaust gas temperatures and limit the use of high-temperature SCR. SwRI and UTSA plan to develop a novel catalyst for low-temperature SCR to reduce emissions.
The Ram 1500 now owns the half-ton pickup segment’s top two spots in the EPA’s 2014 highway fuel-economy rankings. In addition to superior fueleconomy, it delivers peak torque of 420 lb-ft (569 N·m), not matched by full-size trucks equipped with V-6 engines. Diesel Engines Fuel Efficiency' The all-new 3.0-liter
Cobra could enable a 5–10% reduction in CO 2 emissions when implemented in conjunction with engine downsizing and down speeding strategies, and potentially more when used in conjunction with alternative fuels, according to CPT. Unlike a turbocharger, Cobra is not dependent on the exhaust gases flowing to do its work.
Ram Truck announced EPA fueleconomy ratings for the 2020 Ram 1500 powered by the new 3.0-liter Ram 1500’s unsurpassed 29 mpg highway fueleconomy rating for 4x4 models is significant in that 4x4 models represent more than 80% of the U.S. The 2020 Ram 1500 EcoDiesel also leads all trucks in fuel range.
The US Department of Energy (DOE) has announced the 2017 Small Business Innovation Research and Small Business Technology Transfer (SBIR/STTR) Phase I Release 2 topics , including three subtopics focused on hydrogen and fuel cell technologies. The fuel cell topics: Innovative Materials and/or Technologies for Bipolar Plates for PEM Fuel Cell.
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