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An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% Fuel economy. increase in fuel economy (37.5
A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The researchers found that the combination of technologies allowed improvements in fuel economy over the engine drive cycle.
As a few points of comparison, the Bosch INVCON 2.3 We believe that inverters will become increasingly important to our economy and environment as solar PV, batteries, and similar power sources continue their rapid growth. The grand prize winner will be announced sometime in January, 2016.
Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.
Comparison of ISFC (@42.9 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. The sleeve valves are linearly actuated and seal on an angled valve seat.
downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. In comparison, naturally aspirated engines have a higher compression ratio in the order of 1 to 1.5
The company’s engineers have a prototype system running in a B-segment donor vehicle on a dynamometer and are calibrating the control strategy to prove its driveability, performance, CO 2 and fuel economy benefits. Both solutions involve part load losses which compromise some of the fuel consumption savings made by downsizing.
Anhui Jianghuai Automobile Group Co Ltd (JAC) and Ricardo are collaborating on a project to develop the Ricardo HyBoost concept ( earlier post )—a combination of low-cost technologies to deliver improved performance and fuel economy which featured recently in the Ricardo Centenary celebrations —into volume production on a JAC vehicle.
A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends.
In addition to improving the fuel economy and range of the powertrain, Hyundai has also created a more compact power source for the Tucson ix FCEV. Comparison of new Tucson ix FCEV (3rd generation) and Tucson FCEV (2nd generation. fuel economy. It achieves gasoline equivalent fuel efficiency of more than 70 mpg US (3.36
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”.
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.)
Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. FEV performed engine mappings in a dynamometer test cell to evaluate the fuel economy of Pinnacle’s TP90 scooter engine compared to a benchmark engine (N15) from Pinnacle’s Asian OEM partner. Click to enlarge.
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.
Current fuel economy policy clearly demonstrates this fact. —“The Case for Technology Neutral Public Policy in Fuel Economy Debate”. The quickest and most cost-effective way to achieve our energy usage goals is through faster adoption of fuel-efficient downsized gasoline and diesel engines.
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. fuel economy improvement. As points of comparison, the 6.0-liter
The committee’s estimates are based on a variety of factors including recent reports from regulatory agencies and other sources; component cost estimates from suppliers; discussions with experts; and comparisons of prices and fuel consumption of similar vehicles. Engines and Technologies.
Comparison of Fuel Consumption, Fun to Drive and System Cost of the different powertrain concepts. Downsizing a gasoline engine (e.g., AVL reasoned that merging turbocharged GDI with a mild hybrid function can result in excellent driveability even with the combination of strong downsizing and downspeeding. Click to enlarge.
Fiesta—available in four- and five-door bodystyles—will offer North American buyers a new choice of 15 class-exclusive technologies and projected highway fuel economy of 40 mpg, besting the Honda Fit, Nissan Versa and Toyota Yaris and Corolla. Our fuel economy leader is now a PowerShift automatic. The Ford Fiesta’s 1.6-liter
Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines. For our fleet, increases in the fuel economy of 1.6% (0.5−2.4%; increase in fuel economy between PFIs and GDIs. engine calibration (spark timing, valve timing, etc.), —Saliba et al.
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 liter EcoBoost, a significant improvement in vehicle fuel economy could be found by exploiting cylinder deactivation.
Co-Optima estimations indicate that significant fuel economy improvements are possible with improvements to RON, S, and HOV. compression ratio, extent of downsizing, etc.). Estimations indicate that fuel economy improvements are possible with improvements to RON, S, and HOV. Source: Co-Optima capstone report.
CO 2 emissions of the C 180 in comparison to its predecessor [t/car]. The C 180 with manual transmission shows a drop in fuel consumption in comparison to its predecessor from between 7.6 Fuel-economy rear axle differential with tapered roller bearings with reduced power loss and low-friction oil. Source: Mercedes-Benz.
The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Meeting the 2025 standard will require an average improvement in fuel economy of about 4.1% Background.
In the process of this development, Daihatsu overhauled all aspects of the engine, the transmission, and the body structure, to maximize energy efficiency and achieve almost a 40% increase in fuel efficiency comparison with the Mira 2WD/CVT without idle reduction functions. and the downsizing of the particles sprayed from the injector.
Comparison of Emission Standards (g/mi). . Customers are now beginning to demand more fuel efficient vehicles, and recent legislation is mandating 40% improvement in.fuel economy between now and 2016. We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. CA LEV US T2B2 CA SULEV.
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.
In comparison, they noted, the technology for bio-chemical ethanol production from cellulosic biomass is not sufficiently developed yet. A full comparison between the different options has to be done, reflecting the present conditions. Large scale production of methanol from natural gas and coal is a well-developed. Earlier post.).
General project targets were to deliver diesel-like or better fuel economy using E10 gasoline (RON91), and to achieve low engine-out NO x and PM using low temperature combustion, the intention being to avoid the cost of aftertreatment for NO x and PM, in addition to meeting more stringent standards. —Sellnau et al.
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.). Turbocharging and downsizing: 26% for cars, 15% for trucks.
The resulting higher BMEP levels allow downsizing of the engine at equivalent vehicle performance. The vehicle owner will realize high fuel economy because gasoline, with its greater eating value per volume, is the fuel that is primarily used for most driving modes. Earlier post.)
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. V6 engine (the Duratec D35 EcoBoost) delivers up to 12% better fuel economy and 15% lower emissions with comparable torque and power as a 5.4L
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. Fuel economy city/hwy/comb.
Thus, the transition to a hydrogen economy calls for alternative electrocatalysts based on earth-abundant elements, such as non-precious metal oxides, sulfides, phosphides, carbides and borides. To expose more active sites, these catalysts are generally downsized into nanoparticulate form and stabilized onto certain substrates.
Employing original Honda technologies, the fuel cell stack for this model was downsized by 33% compared to the previous version of the fuel cell stack yet delivers 130 kW of output, with an output density of 3.1 Cost, productivity, efficiency and fuel economy now offer the highest focus for technology investment, he said.
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. This offers benefits in terms of internal engine friction, which in turn have a positive effect on fuel economy. seconds and goes on to a top speed of 204 km/h (127 mph).
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 engines’s fuel economy is supported by a package of BlueEFFICIENCY measures. Joachim Schmidt, Board Member of Mercedes-Benz Cars, Sales & Marketing.
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.
Frank has spent more than 30 years in breakthrough vehicle development, during which he received two world records for vehicle fuel economy, designed nine generations of PHEVs, and was a four-time winner of US DOE Advanced Vehicle Design competitions. Appendix B: Car of the Future: A Comparison of Alternative Vehicles. Conclusions.
Environmental Protection Agency (EPA), which stewards the RFS, had repeatedly downsized the targets by nearly 25 percent. Because that’s really the comparison that you care about.”. There are certainly areas of the economy where electrification does not make a lot of sense,” he says. By the mid-2010s, the U.S. In 2016, a U.S.
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