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Comparison of ISFC (@42.9 The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. MJ/kg) (4000 RPM) between 250cc Pinnacle and 200cc poppet valve engine. Source: Pinnacle. Click to enlarge.
In a 2010 paper, Roger Stone, Engineering Director, Torotrak noted that conventional turbo- and supercharging technologies are more than capable of delivering the required peak power and torque levels from downsized engines but suffer from a number of. It gives the next generation of downsized powertrains ‘big-engine’ response.
Even in the BRICs, ICE downsizing has become a big deal. The survey found that most companies are hedging their bets and spreading funding across a wide range of areas, with ICE downsizing and plug-in hybrids expected to receive the greatest investment over the next 5 years. —“14 th Annual Global Automotive Executive Survey”.
The articulated Citaro series hybrid uses a downsized diesel engine as the genset to provide power for a lithium-ion battery pack located on the roof. In comparison with a conventional diesel bus, the combustion engine is about half as large, at 450 kg instead of 1000 kg and a cubic capacity of only 4.8 liters instead of twelve.
Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The automotive industry, including Lotus Engineering, has quite rightly advocated engine downsizing for four-stroke engines. Click to enlarge. Jamie Turner, Chief Engineer of Powertrain Research at Lotus Engineering.
Diesel vehicles have had a rough time penetrating the US light-duty vehicle market, reflecting outdated negative perceptions, higher fuel prices for diesel than for gasoline, the cost of complying with stringent US emission standards, and rapidly improving gasoline engines. —Isenstadt and German (2017). Background. Click to enlarge.
Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. We did another study with FEV, projecting our data onto a turbo downsized application; we get nearly 50% improvements in common automobiles. Click to enlarge. We end up being a real natural for the basic automobile.
Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council. Assessment of Technologies”.
In comparison, they noted, the technology for bio-chemical ethanol production from cellulosic biomass is not sufficiently developed yet. Multiple ways exist for introduction of methanol into the fuel infrastructure (light blends or heavy blends) and into vehicles (light duty or heavy duty applications).
CO 2 emissions of the C 180 in comparison to its predecessor [t/car]. For example, the iron demand is less because the share of steel is less, while the bauxite demand increases because of the higher light alloy share. The C 180 with manual transmission shows a drop in fuel consumption in comparison to its predecessor from between 7.6
For the past four years, the Co-Optimization of Fuels & Engines (Co-Optima) National Laboratory consortium has focused research efforts primarily on turbocharged (boosted) spark-ignition (SI) engines for light-duty vehicles. compression ratio, extent of downsizing, etc.).
Additionally, suggested one of the speakers, advanced SIDI (spark-ignited, direct-injection) engines can take light-duty market share back from diesels in Europe based on the same trends. Comparison of Emission Standards (g/mi). . don’t think we expect to see a large market share of light duty diesel in the short term.
Based on test work already carried out, Ricardo estimates that a fuel economy improvement of up to 30% is possible with no loss of power or performance, using a downsized EBDI engine in place of currently available gasoline powertrain technology. Comparison of different ethanol blend levels in EBDI engine. fuel economy improvement.
Although real-world fuel economy improvements from GDI technology alone are close to 1.5%, they can reach 8% by downsizing and turbocharging the engine, which can be achieved on GDI engines without loss of power compared to PFI engines. Finally, we analyze the potential climate effects of switching a PFI to a GDI fleet. —Saliba et al.
When presented with a list of technologies analyzed within a National Academies of Science report ( earlier post ) that might be used to meet fuel-efficiency standards, suppliers picked turbocharging and engine downsizing, along with higher-speed automatic transmissions, as the most critical.
IROX 2 joins Federal-Mogul’s family of IROX technologies which reduce friction and improve the wear resistance and fatigue limit of the bearings used in today’s highly evolved downsized engines. By reducing friction, the innovative bearing coatings also help to lower fuel consumption and CO 2 emissions.
Fiesta features Twin Independent Variable Camshaft Timing (Ti-VCT) ( earlier post ) which allows the engine to be downsized for fuel economy while continuously optimizing camshaft phasing for throttle response, performance and flexibility. The Ford Fiesta’s 1.6-liter
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 Three of the NHTSA scenarios for penetration of technologies for light trucks for MY 2016. This reduces pumping losses at lighter loads in comparison to a larger engine.
A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L Even for an aggressively downsized engine such as the 1.0-liter Is Cylinder Deactivation a Viable Option for a Downsized 3-Cylinder Engine?” Schamel et al. Click to enlarge.
Compared to new diesel engines, the Delphi team found that BSFC for GDCI at light loads was comparable or better, and at high loads was about 5% higher. For this reason, GDCI is a good candidate for aggressive downsizing, downspeeding, and boosting, which is a proven strategy for high vehicle-level fuel economy. —Sellnau et al.
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. By comparison, the 2017 Tiguan with 2.0L
Ford’s turbocharged, gasoline direct injection EcoBoost engines are targeted to play a significant near-term role in Ford’s efforts to reduce fuel consumption by enabling downsizing. Near-valve flow structure comparison between high flow port (left) and high tumble port (right). port fuel injected (PFI) V8 engine. Earlier post.).
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. Aerodynamically optimized light-alloy wheels for the diesel models. Joachim Schmidt, Board Member of Mercedes-Benz Cars, Sales & Marketing. BlueTEC diesel units.
In spite of efforts to reduce the fuel consumption of light-duty and heavy- duty vehicles and to develop biomass-derived fuels, petroleum will remain the primary source of light-duty and heavy-duty vehicle fuel for many years to come. Finding 3-7. Two of the project teams (Cummins, Inc. and Daimler Trucks North America, LLC.)
Other dimensions of the Mark VIII were larger in all directions, a stark contrast to the extreme downsizing implemented on Mark VI, a measure pushed further by the tidy proportions of the Mark VII.& Worth a quick comparison, the equivalent Thunderbird weighed 3,536 pounds with a V6 engine or 3,725 with the V8.
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 Golf Comparisons. seconds and goes on to a top speed of 204 km/h (127 mph). A 6-speed manual or 7-speed DSG (with automatic gear changes) are available; both consume just 4.3 engine) introduced in 1975.
That was its plan for cleaner, downsized 1.4-liter However, Moro did shed a little new light, saying there will be one-and two-blade variants. But they’re extremely expensive to produce in comparison to both regular and ethanol-blended gasoline. It then griped about the automakers not having provided fresh ideas. liter and 2.0-liter
As a visual and performance statement it naturally draws comparisons with the Cybertruck. ACE Yewt 2021 ACE Yewt Another Aussie start-up, ACE EV (Australian Clean Energy Electric Vehicles), hoped to have its tiny Yewt in production on 2021, along with the Cargo light van. Less expensive and powerful Hummers will launch later.
Future RDE emissions legislation and fleet average CO 2 targets represent a challenge for automakers wishing to provide cost-effective light duty diesel vehicles. The cost comparison is with respect to a Euro 5 baseline. The SIA conference was focused on clean compression-ignition engines of the future. liter diesel engine.
As a point of comparison, the US EPA’s proposed national CO 2 emissions standards for light-duty vehicles under section 202 (a) of the Clean Air Act would require these vehicles to meet an estimated combined average emissions level of 250 grams/mile of CO 2 —155.26 g/km—in model year 2016. Hariher Balasubramanian.
Appendix B: Car of the Future: A Comparison of Alternative Vehicles. It is alarming to see comparisons of the Chevrolet Volt PHEV with battery electric cars when the comparison focuses only on the electric range and ignores the other important differences. More information on e-mile comparisons is given by Reference Nº 2.
Worldwide, light-duty vehicle (LDV) fuel economy is not improving fast enough to cut average fuel use by 50% for all new cars by 2030, according to a working paper issued by the Global Fuel Economy Initiative ( GFEI ). —“International comparison of light-duty vehicle fuel economy”. Source: GFEI. Click to enlarge.
A new vehicle type-approval test procedure for the EU, the Worldwide Harmonized Light Vehicles Test Procedure (WLTP), will likely reduce that gap beginning in 2017. With respect to light-commercial vehicles, CO 2 standards as low as 90–100 g/km (NEDC) can be achieved with few or no electric vehicles in the new-vehicle market.
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