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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.
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. They presented their results in a paper at SAE 2014 World Congress in Detroit.
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 drop in fueleconomy due to traveling 80 mph rather than 70 mph.
The result of their work, presented in papers this spring at the SAE 2014 World Congress, the Vienna Motor Symposium, and the JSAE Annual Congress, is the new 1.3-liter liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Friction reduction technologies also play a role.
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.
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.
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
The demonstrator will be present at the upcoming SAE 2014 High Efficiency IC Engine Symposium in Detroit in April; SwRI engineers are presenting a paper (2014-01-1190) at the SAE 2014 World Congress on the development of the demonstrator’s engine. As will be presented at SAE World Congress, SwRI engineers modified the 2.0-liter
In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fueleconomy comparisons. In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Fueleconomy.
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. 1 compression ratio and uses 91 octane premium fuel.
Chrysler Group is offering fuel-saving Engine Stop-Start (ESS) technology as standard equipment on certain models of the award-winning 2015 Jeep Cherokee mid-size SUV and 2015 Chrysler 200 mid-size sedan. ESS accounts for a one-mpg city-cycle fuel-economy gain in the Ram, the most fuel-efficient truck in its segment.
In both versions it unites various advanced technologies: additional indirect injection supplementing the direct injection of the FSI; the Audi valvelift system (AVS) to adjust the valve stroke on the exhaust side; and thermal management, which uses a rotary valve module and an exhaust manifold integrated into the cylinder head.
Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. of Rockledge, Florida is developing a hybrid electric turbocharger for cars and trucks that both reduces fuel consumption and improves drivability by shortening the transient response time (reducing turbo lag) during acceleration. Lead organization.
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).
Split, parallel, cross-flow cooling with integrated exhaust manifold. Cycle-based CAE analysis of fueleconomy contribution of critical technologies. Advantages of the micro-stratified charge capability include good fueleconomy, low NO x , low PM, acceptable NVH, good stability, and “practical controls”, Weaver said.
Internal combustion engine’s performance and efficiency are currently governed by variable valve control technology that adjusts the timing of valve opening and closing and depth of the valve’s opening, with engine power produced through the fuel intake-compression-expansion-exhaustion cycle. kgm (265 N·m) of torque.
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 Currently applied in the new Golf and Golf Variant ( earlier post ), the 1.5 l/100 km (49 mpg US).
The EA888 Gen 3 engine is designed to be lighter and more fuel efficient than the unit it replaces. Engine weight has been reduced by 8 lbs (3.6 kg), to 290 lbs (132 kg) overall.
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.
The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline.
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.
improvement in city fueleconomy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. Hydrogen-enriched exhaust is routed to the intake. mpg) and a 9.2%
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 Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger.
The system, say the researchers, offers the potential to exploit most of the benefits of operating on premium high octane fuel while using less expensive regular grade more effectively. 100 RON product when using regular unleaded (RUL) 92 RON gasoline as the base fuel. increase in fueleconomy, according to their work; 8.5%
Simulated fueleconomy for 1.8L GDCI showed a predicted fueleconomy improvement of 65%, 28%, and 28% for the FTP City, Highway, and US06 cycles, respectively, for a combined FE improvement of 50%. Vehicle simulations for various drive cycles predicted very good fueleconomy for all city and highway modes.
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.
liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It Source: Vent et al. Click to enlarge.
The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fueleconomy evaluation. On the other hand, it is well known that in an internal combustion engine up to 35% of the energy developed by the fuel combustion is dissipated in the exhaust gases. Skarke et al.
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.
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.
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.
At SAE World Congress in Detroit, Honda engineers presented several papers on the development of the new Accord plug-in hybrid, describing work on the new gasoline engine (which will also be featured in the coming full hybrid version of the Accord), and the development of the new two-motor system. Valve train (exhaust). VTEC & e-VTC.
Future fueleconomy standards will result in lower exhaust gas temperatures and limit the use of high-temperature SCR. The project “Development of New Ruthenium Catalysts for the Low-temperature Reduction of NO x Emissions from Vehicle Exhaust” will be led by SwRI Principal Scientist Dr.
In a paper presented at the 2013 SAE World Congress, a team from the University of Wisconsin reported a gross indicated thermal efficiency of Reactivity Controlled Compression Ignition (RCCI) operation of near 60%, given optimized combustion management and thermodynamic conditions. Earlier post.).
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. Redesigned intake ports to improve engine performance and fueleconomy.
The expected fueleconomy ratings will deliver the highest driving range on one tank of fuel yet for Gladiator. There are more than 40 individual shift maps to optimize shift points for fueleconomy, performance and 4x4 capability. 1 to improve fueleconomy and reduce engine noise. axle ratio.
for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. The Camry’s four-cylinder engine uses a very high compression ratio (13:1) and Toyota’s innovative D-4S fuel injection, which employs both direct injection and additional port injectors.
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. Changes in the exhaust manifolds and turbo from Gen 1 to Gen 2.
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.
The ISX12 G features the same stoichiometric cooled Exhaust Gas Recirculation (SEGR) combustion technology, spark ignition and simple Three-Way Catalyst (TWC) aftertreatment as the Cummins Westport ISL G engine. The new engine and transmission combination has been designed specifically to work smarter to maximize fueleconomy benefits.
In addition, the inhomogeneity of the fuel mixture under stratified operation in GDI engines during the compression stroke tends to contribute to higher particulate emissions compared to the exhaust emissions from traditional PFI engines. —Chan et al. Over the FTP-75 phase 1 drive cycle, the GPF reduced BC emissions by 73?88%
The EcoDiesel V-6 engine also features low-friction pistons to improve fueleconomy, reduce greenhouse gas emissions and provide an enhanced combustion system – injector nozzle, piston bowl and glow plug with integrated combustion pressure sensor to optimize combustion. Transmissions. 1 crawl ratio.
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