Trending Sources

KPMG survey finds global auto execs expect ICE dominance for some time; ICE downsizing and PHEVs to receive greatest investment over next 5 years; mobility-as-a-service in cities

Green Car Congress

Even in the BRICs, ICE downsizing has become a big deal. Biggest investments in powertrain technologies over next five years. Source: KPMG.

2013 28

Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

Green Car Congress

In comparison with the incumbent fixed-ratio positive-displacement supercharger on a 1.0L Click to enlarge. The V-Charge equipped 1.0L

ICCT-led analysis of turbocharged, downsized engine tech finds lower costs and greater benefits than 2012 EPA/NHTSA analysis; 48V, e-boost, Miller

Green Car Congress

Comparison of ICCT/supplier and EPA/NHTSA costs and benefits of turbocharging and downsizing technologies. Source: ICCT. Resources.

Google and IEEE launch $1M challenge for downsized inverters

Green Car Congress

As a few points of comparison, the Bosch INVCON 2.3 kW/L) in an enclosure of less than 40 in 3 in volume (0.66L). kW/L.). (In Click to enlarge.

VW Premieres New Polo GTI; Textbook Downsizing Results in 25% Reduction in Fuel Consumption from Predecessor

Green Car Congress

By comparison, its direct predecessor with regard to power—equipped with a 132 kW 1.8-liter turbo engine—consumed 7.9

FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

The fuel economy study, using GT Power, encompassed both a naturally aspirated 1.5-liter, 3-cylinder design of the Pinnacle engine, as well as a downsized, turbocharged 750cc Pinnacle design. As a point of baseline comparison, an unnamed production MY2009 1.5L Downsizing with turbocharging. configuration of the engine. l/100km).

Ricardo: achieving light-duty diesel RDE NOx compliance in urban driving is possible, at a price

Green Car Congress

The cost comparison is with respect to a Euro 5 baseline. The SIA conference was focused on clean compression-ignition engines of the future.

CALSTART survey of major auto suppliers finds 70% don’t want US to change CAFE targets; split on amount of electrification needed

Green Car Congress

The firm polled and interviewed 23 suppliers, almost all of them global Tier 1 suppliers that sell parts directly to automakers. Ricardo survey.

Eaton 20

Mercedes-Benz delivers first two of eight Citaro G BlueTec Hybrid buses to Dresden

Green Car Congress

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. Brie

Rotrak testing prototype variable drive supercharger in vehicle on dyno

Green Car Congress

Both solutions involve part load losses which compromise some of the fuel consumption savings made by downsizing. Source: Stone (2010).

JAC and Ricardo develop production version of HyBoost concept; seeking 30% boost in fuel economy with same performance

Green Car Congress

The Ricardo HyBoost concept is based on a downsized, highly boosted turbocharged direct injection gasoline (TDGI) engine giving improved fuel economy at low cost, linked to a 48V electrical architecture including a belt starter generator (BSG), DC-DC converter and a lithium-ion battery for energy storage. This launch vehicle replaces the 2.0L

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

Comparison of ISFC (@42.9 For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. et al.

Volkswagen introduces new 1L, 3-cylinder gasoline Golf; 54.7 mpg

Green Car Congress

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 l/100 km.

2015 28

Pinnacle Engine pre-production prototype opposed piston engine shows about 27% fuel consumption improvement across different scooter cycles compared to conventional engine

Green Car Congress

Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. Click to enlarge. Improvement during CDC: 28.7%.

Ford assessment of two cylinder deactivation strategies for award-winning 3-cyl. EcoBoost

Green Car Congress

A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L

Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Green Car Congress

Appendix B: Car of the Future: A Comparison of Alternative Vehicles. More information on e-mile comparisons is given by Reference Nº 2.

FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

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 Click to enlarge. Diagram at right.).

Getrag introduces new dual clutch transmission for electric drives, prototype of range extender, mild-hybrid dual-clutch variant

Green Car Congress

" alt="2eDCT600" title="2eDCT600" src="[link] />. The 2eDCT600. Click to enlarge. This architecture extends the range by up to 10% in electric mode.

Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

Green Car Congress

CO 2 emissions of the C 180 in comparison to its predecessor [t/car]. Source: Mercedes-Benz. Click to enlarge. t vs. 6.5 t vs 38.3 and 7.4

Daihatsu develops e:S Technology for 30 km/l in JC08 Mode; equivalent to 71 mpg US or 3.3 L/100km

Green Car Congress

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.

ETH Zürich Developing Pneumatic Hybrid Engine; Approaches Hybrid-Electric Performance at Lower Cost

Green Car Congress

The compressed air supply also allows extreme downsizing. Pneumatic hybrid engine on the test bench. Photo: P. Rüegg / ETH Zurich. Resources.

Taking another look at methanol as an alternative transportation fuel for the US

Green Car Congress

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. A recent white paper by Leslie Bromberg of MIT’s Plasma Science and Fusion Center and Wai K.

Hyundai completes development of 3rd generation fuel cell vehicle; targeting mass production in 2015

Green Car Congress

Comparison of new Tucson ix FCEV (3rd generation) and Tucson FCEV (2nd generation). Tucson ix Fuel Cell Electric Vehicle. Click to enlarge.

FEV to Show GT2 2-Stage Turbo Charging Unit at SAE World Congress

Green Car Congress

Right : Comparison of CO 2 -emissions and performance of the GT2-concept. GT²: Two-stage Charging as a Downsizing Concept for Large SI Engines”; FEV Spectrum No. Left : Full load engine torque curves. Source: FEV. Click to enlarge. FEV, Inc., (FEV) 6-cylinder naturally aspirated engine, while offering enhanced performance. Resources.

Atomic cobalt on nitrogen-doped graphene catalyst shows promise to replace platinum for hydrogen production

Green Car Congress

To expose more active sites, these catalysts are generally downsized into nanoparticulate form and stabilized onto certain substrates.

AVL Concept Turbohybrid Mild Hybrid System Approaches Full Hybrid Fuel Savings at Lower Cost; Improved Driveability

Green Car Congress

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.

Hyundai introduces 3rd generation Tucson ix hydrogen fuel cell vehicle; significant increase in range and fuel efficiency

Green Car Congress

Overall volume of the fuel cell system was downsized by 20% compared to the previous system via modularization of bulky parts in the fuel cell system including fuel cell stack, balance of plant (BOP), inverter and high voltage junction box. Comparison of new Tucson ix FCEV (3rd generation) and Tucson FCEV (2nd generation. 100 kW.

GFEI report finds improvements in average new LDV fuel economy lagging pace required to cut 50% fuel use for new cars worldwide by 2030; policy focus should be on emerging markets

Green Car Congress

—“International comparison of light-duty vehicle fuel economy”. The trend is toward smaller displacements (downsizing). mpg US).

Frost Sullivan Projects That About 80% of European Vehicle Sales Will Be in the 150 g/km CO2 Band by 2015; EVs as a Strategy of Premium Automakers

Green Car Congress

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. Earlier post.) Hariher Balasubramanian.

Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

Green Car Congress

Comparison of Emission Standards (g/mi). . To be able effectively to implement downsizing and downspeeding, good low-end torque is essential.

NRC releases second report on 21st Century Truck Partnership

Green Car Congress

Daimler Trucks North America, LLC will develop and demonstrate technologies including optimized combustion, engine downsizing, electrification of auxiliary systems such as oil and water pumps, waste heat recovery, improved aerodynamics, hybridization, and possibly a fuel cell auxiliary power unit to reduce engine idling. Background.

Former Commerce and Transportation Secretary Norman Mineta urges technology neutral policies in reaching proposed CAFE standards

Green Car Congress

Former Transportation and Commerce Secretary Norman Mineta, who served under former Presidents Bill Clinton and George W. Data: Polk. Click to enlarge.

Global WorldAutoSteel Project Presents Interim Results of FutureSteelVehicle (FSV) Phase 2 Project for Low GHG Body Structure for Electrified Vehicles

Green Car Congress

General results included: New benchmark in weight reduction achieved through Advanced High-Strength Steel optimized structures, enabling powertrain downsizing for affordable electrified vehicles. Battery tunnel load path members. FSV stretches emissions targets out in anticipation of future legislation and requirements around the world.

Ricardo and Growth Energy Collaborate On First Vehicle-Based Demonstration of Ricardos Ethanol Boosted Direct Injection (EBDI) Engine Technology

Green Car Congress

Comparison of different ethanol blend levels in EBDI engine. by Bill Cooke. The 3.2L EBDI engine. Click to enlarge. fuel economy improvement.

Ford E85 Direct Injection Boosting Study: A Less Expensive Alternative to Diesel

Green Car Congress

The resulting higher BMEP levels allow downsizing of the engine at equivalent vehicle performance. Furthermore, by enabling higher CR, downsizing and downspeeding, E85 DI + gasoline PFI makes the engine more efficient in itsusee of gasoline. Earlier post.) Stein et. 2009). PFI engine in a Ford F-150 pickup truck. Stein et al. 2009).

Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Engine downsizing and downspeeding are two strategies that can be applied to gasoline and diesel engines to improve vehicle fuel economy. The also created revised shift schedules for the baseline gear ratios for the turbo for comparison. The shift schedule optimization technique resulted in fuel economy gains of up to 12.2% Resources.

Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

Green Car Congress

The hybrid engines did not produce enough torque at these loads for comparison, and were labelled “off map.”. Earlier post , earlier post.).

Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

Green Car Congress

Fiesta four-door sedan. Click to enlarge. Ford unveiled the North American 2011 Ford Fiesta at the Los Angeles Auto Show. Transmission.

National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

Green Car Congress

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. Assessment of Technologies”. Resources.

Lotus Omnivore Engine Shows Up To 10% Better Fuel Economy Than Spray-Guided GDI Engines; Achieves HCCI At Extremely Light Loads

Green Car Congress

Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. Click to enlarge. 499.6