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The concentric camshaft features one set of lobes connected to the phaser sprocket, and a second set next to it is connected to phaser. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fueleconomy. improvement in fueleconomy on an E-class vehicle (e.g.,
Volvo Car Corporation will rely on a powertrain strategy based on its new downsized 4-cylinder VEA (Volvo Environmental Architecture) engine platform ( earlier post ) and hybrids for the US market, said John Maloney, recently appointed President of Volvo Cars, US, in an interview at the Detroit Auto Show. Click to enlarge.
At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fueleconomy and enabling technologies such as the EcoBoost engines. liter EcoBoost engine.
Volkswagen predicts fuel highway fueleconomy will improve by up to 17% with the downsized engine. Volkswagen will introduce its VW Car-Net connected services this fall as part of the 2014 model lineup. The Beetle and Beetle Convertible 2.5-liter liter engine will be replaced by the 1.8-liter s hydraulic setup.
Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fueleconomy across both NEDC and FTP drive cycles, with a 13% improvement in fueleconomy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system. Click to enlarge. liter) GM engine.
Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fueleconomy compared to operating an engine with fixed compression ratio.
Blending 25-50% of this low-temperature ethanol reformate with ethanol or E85 fuels enables dilute engine operation, resulting in substantial improvements in fueleconomy and emissions. E85 and hydrous ethanol motor fuels are now widely available in the U.S. —Sall et al.
Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fueleconomy 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.
Improving battery power to such as level would further enable hybridization to near-HEV levels as well as engine downsizing, thereby enabling fueleconomy improvements beyond the current 10-15% MHEV limit. The BISG is connected to a 48 V (nominal battery) and also typically to a 12V powernet via a DC/DC convertor.
A multi-cylinder version is practical for a wide variety of vehicles and offers greatest benefit to C and D class passenger cars which can take advantage of the low cost architecture and significantly improved fueleconomy and emissions. IMEP (Bar) Homogeneous GDI 1 Spray-Guided GDI 2. Charge Trapping Valve. Other Components.
Ford says the engine can deliver up to 15% better fueleconomy than comparable six-cylinder engines. MKC will be the first Lincoln to have always-on built-in connectivity, allowing owners to utilize a smartphone app to control the vehicle. liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit.
With the Generation 3 HEV system, Ford decided to downsize the engine from a 2.5L Atkinson to improve fueleconomy. The 2012 Fusion Hybrid carries an EPA fueleconomy rating of 41 mpg city, 36 mpg highway; Ford expects the upcoming 2013 Fusion Hybrid to offer about 47 mpg city, 44 mpg highway. Atkinson to a 2.0L
The testing process compares fueleconomy performance from the vehicle in its original condition with the performance using XL Hybrids’ charge-sustaining hybrid system. Our hybrid controller connects to the CAN; our controller is read-only. The company had been targeting a 20% reduction. engine and 6-speed transmission.
GM’s fuel-economy plan through the 2016 model year focuses on a reduction in vehicle mass and aggressive investment in advanced materials, such as high-strength steel, carbon fiber and aluminum, enabled in part by our industry-first aluminum welding technology. Earlier post.).
In part-load operation, the indirect injection supplements direct gasoline injection to improve fueleconomy and to reduce the output of particulates from the engine. GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Earlier post.).
There are four elements when in place that Nissan thinks will encourage wider market adoption of hybrids, Thunes said: affordable cost; meaningful fueleconomy gains; a rational evolution from conventional powertrains to hybrid powertrains; and preserving cabin space and cargo area. Overall fueleconomy is improved in a wide range.
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. —CPT program manager Andy Dickinson.
Working with BMW, BorgWarner combined two advanced turbocharging technologies—regulated two-stage (R2S) and variable turbine geometry (VTG)— to accelerate BMW’s engine downsizing strategy without compromising power and torque. straight-six diesel offering up to 4% better fueleconomy than its predecessor.
Applied to a turbocharged, downsized engine, MultiAir can contribute to up to a 25% reduction in fuel consumption over conventional naturally aspirated engines with the same performance, according to Fiat. A specific turbocharged engine version will be bi-fuel (gasoline-CNG).
of torque at 4,000 rpm, with a targeted combined fueleconomy of 28 mpg with front-wheel drive. This automatic transmission adds ratio range at both the top and bottom of output speeds allowing for extra thrust off-the-line and a quieter, more fuel-efficient trip on the interstate. The new Smartstream 2.5-liter
In recent tests, the DuoDrive taxi demonstrated a 56% improvement in fueleconomy 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. This is the design applied in the DuoDrive system. Click to enlarge.
Duratec I-4 unit while contributing to projected fueleconomy gains of more than 10%. liter unit in Europe and a choice of advanced and improved Duratorq TDCi common-rail diesel engines—all of which offer reductions in fuel consumption of between 10 and 20% compared to the outgoing models.
DeCicco’s analysis shows that optimizing internal combustion engines plus rising adoption of grid-free hybrids will enable new fleet fueleconomy (unadjusted) to reach 52 mpg (4.52 Adjusted on-road fueleconomy correspondingly would be 41 mpg (5.74 —A Fuel Efficiency Horizon for US Automobiles.
improvement in fueleconomy in operation over the Japanese 10-15 cycle. When downsizing, Kato said, using a turbocharger or supercharger to offset the decrease in output can result in a fall in the knocking limit as the boosting pressure rises, causing the thermal efficiency to fall as well. and back again. Kadota et al.
Among their general findings are: Increasing battery power in plug-in hybrids (10-, 20- and 40-mile AER, from low to high power) had little effect on fuel consumption results because the battery power can provide most of the driving on the test cycles, so the fueleconomy only differs slightly.
liter engine option has a targeted fueleconomy of 27 mpg city / 38 mpg highway / 31 mpg combined (8.7, For this next-generation design, 70% of the parts have been redesigned, which, along with a downsized oil pump, lower oil level and low viscosity oil results in up to 40% reduction in internal friction (versus the previous design).
On 15 Sep, NHTSA and the US EPA proposed a joint rulemaking on fueleconomy 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 fueleconomy improvements.) ( Earlier post.). mpg and 250 g CO 2 /km for model year 2016.
liter engine, with high-efficiency combustion, cooled EGR and an optimized ITMS cooling system, features 187 horsepower at 6,100 rpm and 178 lb-ft (241 N·m) of torque at 4,000 rpm, with an EPA-estimated combined fueleconomy of 29 mpg with front-wheel drive and 26 mpg with all-wheel drive. The new Smartstream 2.5-liter
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 fueleconomy of the Tourer. In addition, lighter pistons and connection rods were used. liters per 100km) by more than 25%.
Renault’s ongoing downsizing strategy is aimed at reducing the cubic capacity of its engines in order to bring down fuel consumption and CO 2 emissions, without detracting from performance. The downsizing process involved shortening the piston stroke by reducing the size of the crank pin and conrod assembly. Select Engines.
3 B-Cycle gasoline engine is the first example of Volkswagen’s “Rightsizing” strategy—an engine development strategy that looks to for the optimal balance of displacement, output, torque and efficiency based on vehicle class and real-world operating conditions, rather than just seeking to downsize. Fueleconomy city/hwy/comb.
The rest of the energy is recovered by the MGU-H (for ‘Heat’); an electrical machine connected to the turbocharger. Per the regulations, the Mercedes team downsized their internal combustion engine (ICE) to a 1.6 Energy losses in the gearbox can also have a significant impact on fueleconomy.
The combination of direct fuel injection and additional port fuel injectors, as used on some other Lexus models, ensures ample power and crisp responsiveness at all engine speeds. Combining the cylinder head, exhaust manifold and intercooler with variable wastegate control enhances low speed torque fueleconomy.
This downsizing enables lower fuel consumption, accompanied by low emissions and optimum weight. The 4-cylinder Sprinter features a 7-speed automatic transmission with torque converter—the only 7-speed automatic transmission to feature in a van—is refined for maximum fueleconomy.
The Most Plausible Early Market consumers value fueleconomy. That could yield more than 50 mpg of fueleconomy—or usage of less than 300 gallons per year—and still be a lot cheaper than a plug-in hybrid or a fuel cell vehicle, he noted. New car buyers are not like pioneers, advocates and experts, Kurani noted.
Despite its efficiency, the Golf TSI BlueMotion with the 85 kW / 114 hp downsized 999 cc EA211-series engine reaches 100 km/h in 9.7 The crankshaft group—crankshaft, pistons and connecting rods—is distinguished by low moving masses and low friction. Other new options are Volkswagen Media Control and App Connect.
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 fueleconomy. Phil Bush, technology manager at Eminox.
On the diesel side—now available solely as BlueTEC units with SCR aftertreatment technology) , the focus is on downsizing and the new version of the V6 CDI engine. The two turbochargers are connected in series, and each has a turbine and a compressor driven by this turbine. BlueTEC diesel units. Earlier post.) Click to enlarge.
Accordingly, Honda has not only launched FCVs that use hydrogen, but has also developed compact hydrogen stations that generate hydrogen, and external power output devices that get connected to FCVs. The fuel cell powertrain was made as compact as a Honda 3.5L Earlier post ). kW/L–approximately a 60% improvement.
Extreme compression ratio rather than downsizing. Although downsizing—i.e., reducing displacement to improve fueleconomy and offsetting the resulting loss of power and torque via charging—is an effective approach to reducing fuel consumption, Mazda has chosen a different route. liter MZR engine.
The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Envera specializes in the development of advanced technologies for improving automotive fueleconomy. Engine downsizing is a key tool in improving fueleconomy.
2/12/07 GM is aggressively pursuing plug-in hybrids "because of the tremendous potential to significantly increase fueleconomy," according to spokesman Brian Corbett. But I can tell you that this is a top priority program for GM, given the huge potential it offers for fuel-economy improvement." ( GM ). Red Herring ).
Focused on meeting a growing customer demand for ‘downsized’ engines offering strong power with reduced fuel consumption and CO2 emissions, the new gasoline and diesel powertrains are being progressively introduced across the Opel product range. mpg US) fuel consumption and CO 2 emissions near or below 100 g/km. Architecture.
TSI from 54 to 48 mm; the crankshaft itself was lightened by 20%, while the weight of the connecting rods was reduced by 25%. The advantage is significantly accelerated pressure build-up, which leads to very responsive downsized engines. This, in turn, improves the fueleconomy of all MQB-based models.
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