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Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

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Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. Conceptual image of a possible multi-cylinder OPGCI engine. ARPA-E Engines Fuel Efficiency

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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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Further, there is increasing interest among stakeholders in exploring the benefits of higher octane fuels that would lead to higher compression ratios which would lead to more efficient engines and reduced fuel consumption. One significant trend is engine downsizing coupled with turbocharging.

Downsized 3-Cylinder Engines Not Refined Enough For Mercedes

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Three-cylinder engines are all the rage right now. Once the preserve of basic economy cars, they''re now used in everything from the latest generation of economy vehicles, through sporty hatchbacks like the 2015 MINI Cooper and Ford Fiesta 1.0 EcoBoost, to BMW''s i8 plug-in hybrid sports car. Mercedes-Benz though will not be joining the three-pot

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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Cost of the new engine relative to gasoline baseline. The technical focus over the last year has been on new engine installation and performance assessments. Cummins made extensive use of aluminium as well as space-saving design features for new engine weight control.

2014 32

Volkswagen of America bringing in downsized 1.8L EA888 engine to displace 2.5L; all vehicles E15 capable

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Technologies in the EA888 engine line. Among the important product changes for Volkswagen of America for the 2014 model year is the introduction of the EA888 1.8-liter turbocharged and direct-injection four-cylinder TSI engine, which will gradually replace the 2.5-liter five-cylinder naturally aspirated powerplant fitted to the Jetta, Beetle, and Passat models. The EA888 is one of the Volkswagen Group’s three major engine lines: EA 211 (gasoline engines 1.0l

2014 13

Simulation study finds “Millerizing” the Scuderi split-cycle engine could enable 50% engine downsizing with retention of power and torque, along with reduced fuel consumption

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Simulation study finds Miller version of Scuderi engine can deliver twice the BMEP as naturally aspirated version, theoretically enabling 50% downsizing while maintaining performance. Applying the Miller cycle to the Scuderi engine (right) entails downsizing of the compression cylinder.

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

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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.

GM, Ford R&D execs stress importance of improved, advanced fuels for future engine efficiency gains, GHG goals

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Meeting regulatory targets while keeping vehicles affordable will require the synergistic integration of fuels and engine technologies, he noted. According to Brooks, among the technologies GM is looking to in the gasoline engine area are: Continued aggressive downsizing.

2017 20

Small Engines May Use More Fuel Than You Expect, In Europe Especially

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Decreasing an engine''s displacement is one of the most straightforward ways to increase fuel efficiency. According to research firm Emissions Analytics, the high fuel-economy ratings of downsized engines may not always translate to the real world. MORE: Do Small Turbo Engines Really Give Better Gas Mileage? Or is it? Claiming to have tested over

Audi Patent Reveals Plan For Four-Cylinder Engine As Smooth As Six Or V-8

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There''s a reason people like big, multi-cylinder engines and it isn''t just about the noise they make or how much power they produce. And it''s one reason some people are worried about the latest trend for downsized four-cylinder units, as they begin appearing in larger vehicles. It''s also to do with smoothness. If Audi''s next generation

Volvo to concentrate on hybrids and downsized engines for US

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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. The engine in the XC60 Plug-in Hybrid Concept has no conventional starter motor or alternator. L/100km) combined (for the all-wheel drive models) using a 6-cylinder engine.

New lightweight aluminum piston from Federal-Mogul enables further downsizing of gasoline engines

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Federal-Mogul Corporation has developed a lightweight, high-strength aluminium piston that enables engine manufacturers to increase the power density and efficiency of boosted, direct injected gasoline engines. Baberg, chief engineer product engineering, Federal-Mogul Powertrain Energy.

2025 Gas Mileage Reachable With 'Radical Downsizing' HyBoost Engine, Says Ricardo

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Noticed engines getting smaller recently? Downsizing", as it''s called, involves using a smaller engine to do the work of a larger alternative--usually through turbocharging--while enjoying the fuel efficiency benefits associated with its size. Engineering firm Ricardo thinks this will continue, and not just in small You''re not alone.

Nissan 1.5L, 3-cylinder 400 hp engine to complement electric Le Mans ZEOD RC powerplant

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The 400 hp DIG-T R race engine. Nissan unveiled a 400 hp (298 kW) 1.5-liter, three-cylinder turbo gasoline engine weighing only 40 kg (88 lbs) as the companion internal combustion engine for its electric ZEOD RC which will debut at Le Mans this year.

ARPA-E awards U-M $1.9M to develop advanced low-cost high-efficiency engine; boosting, highly dilute combustion and 48V system

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million to a project to develop a high-efficiency engine system that integrates a compact micro-hybrid configuration of a supercharger with an electric waste heat recovery system and employs high rates of recirculated exhaust gases. When combined with a sophisticated control strategy, this approach provides a solution for suboptimal engine breathing that is typical of transient engine operation. 48V ARPA-E Engines

2015 35

HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. HyBoost offers comparable performance to the conventional current 2.0L

2020 12

Toyota Thinks Larger, Non-Turbo Engines Can Deliver Better MPG

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One of the most popular motor industry trends in recent years has been that of ''downsizing'' engines--reducing capacity even in larger vehicles to improve fuel efficiency, while usually adding a turbocharger to make up for lost power. It''s why Ford can now sell a 1.0-liter engine in the U.S.

Dodge 25

2016 Chevy Volt Range-Extending Engine To Have 75 HP?

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While it''s a part that covers two thirds of all Volt miles driven, the other third is handled by its range-extending 1.4-liter Ecotec gasoline engine. The 2016 Chevrolet Volt is expected to downsize to a three-cylinder unit to boost efficiency, but few other details are known--apart Electric power is only one part of the Chevrolet Volt equation.

Smaller, More Efficient Engines Work Harder; Noise Suppression More Important

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From engines to bodywork, size meant luxury and performance. But recently, manufacturers and customers alike have got used to a new concept: downsizing. In terms of engines, this means doing more with less. But engineers have encountered a new problem to deal with in smaller engines For a long time in the U.S. car market, bigger was better.

VW suggests engine downsizing is done; emissions rules are the reason

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When it comes to improving fuel efficiency, simply making an engine smaller is a fairly direct way to get results. They have downsized engines across model lines, usually adding turbochargers at the same time to match the power output of the larger-displacement engines that they. emissions VW downsizing Fuel Economy TurbochargingIt's the approach that many automakers have taken in recent years.

Downsized and driving less: UK motorists cut back

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One in ten people have downsized their car to smaller engined-model to save money of running costs, according to new research from Enterprise Rent-A-Car.

Opel to launch 3 new engine families, 13 new engines by 2016

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Opel is launching three new engine families and 13 new engines between 2012 and 2016, renewing 80% of its engine portfolio. They will be joined by the end of this year by a new small-displacement gasoline engine family. SIDI Turbo gasoline engine. Engine Start/Stop.

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Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

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The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The upcoming four-cylinder VEA (Volvo Environmental Architecture) engine range includes common rail diesels and direct injected gasoline engines. The new VEA engines reduce the number of unique parts by 60%. Batteries Engines

Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

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At the 21 st Supercharging Conference in Dresden next week, Torotrak Group will present results from engine testing that verify previous claims for V-Charge, a variable drive mechanical supercharger. 3-cylinder Ecoboost engine has similar performance to a 1.5L Engines Fuel Efficiency

Federal Mogul develops advanced aluminum piston for high-performance light-duty diesel engines

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demands of very high-power diesel engines. BMW is the first to use the piston in its triple-turbo 3.0-liter diesel (N57D30S1) engine applied in the M550d xDrive, with a specific power output of 93 kW/liter (124 bhp/liter). Diesel Engines Materials

Federal-Mogul hybrid liner for cylinders reduces bore distortion and improves function in lighter, downsized engines; up to 40% reduction in oil consumption

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Quasi-monolithic bond of a hybrid liner with aluminum outer coating to engine block (left) compared to typical gap found between grey iron liners and the aluminium block (right). improve function in the latest generation of lighter, highly-loaded aluminum-block engines.

HyBoost demonstrator debuts at LCV2011; 50% by swept volume downsizing with low-cost electrification

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The HyBoost project vehicle was revealed for the first time today at the Cenex Low Carbon Vehicle 2011 event hosted at Rockingham, UK, demonstrating a combination of high-impact, low-cost electrical systems which offer the prospect of radical engine downsizing using electric supercharger and energy capture and storage technologies within an otherwise conventional gasoline powertrain architecture. naturally aspirated four-cylinder gasoline engine has been replaced with a 1.0L

2014 Volkswagen Jetta, Beetle, Passat Get Smaller, More Efficient Engines

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Volkswagen is finally dropping its long-serving 2.5-liter gasoline engine from several models, in favor of a more efficient, downsized turbocharged 1.8-liter. The 1.8 turbocharged, direct-injection four-cylinder develops 170 horsepower, the same as the naturally-aspirated 2.5. However, its 184 pounds-feet torque output is 7 lb-ft more than the

Nissan Reveals Tiny Engine For Electric ZEOD Le Mans Racer

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Downsizing isn''t just a concept reserved for road-going vehicles--the world of motor racing is adopting the theory too. Smaller engines, turbocharging and hybrid technology is all the rage, with this year''s F1 grid adopting all three in an effort to remain relevant. Nissan''s ZEOD RC Le Mans car is going even further, and now one component of its

SAE High Efficiency IC Engine Symposium opens with consideration of alternative engine designs

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SAE’s 2012 High Efficiency IC Engine Symposium in Detroit—the second as an immediate precursor to the SAE World Congress—opened on Sunday with a consideration of several alternative engine designs: opposed piston 2-stroke (Achates Power); variable compression ratio (MCE-5); split cycle (Scuderi); and advanced rotary (Liquid Piston). Well, the engine processes are not ideal. One can have high combustion efficiency and low engine efficiency. Engines

Aeristech develops advanced 12V electric supercharger

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This vehicle showed the benefits of a powerful, continuously-rated electric supercharger to simplify the exhaust system and enable practical engine downsizing beyond the levels currently seen on the market. The car’s downsized 1.2 Engines Fuel Efficiency Vehicle Systems

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EPA official: the future of the internal combustion engine is bright and clear

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“ The future of the IC engine is bright and clear; I don’t think that could be any more obvious to all of us ,” said Byron Bunker, Director, Heavy Duty Engine Center, Office of Transportation and Air Quality, US Environmental Protection Agency during his remarks in a panel discussion on the role for internal combustion engines in the energy future at the US Department of Energy’s 2011 Directions in Engine-Efficiency and Emissions Research Conference (DEER) in Detroit.

Cummins ETHOS 2.8L optimized E-85 engine demonstrates 50-80% reduction in CO2 emissions in medium-duty truck

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Cummins has developed an E-85-specific engine and powertrain that reduce carbon dioxide emissions by as much as 80% compared with a baseline gasoline-powered medium-duty truck. To take full advantage of the favorable combustion attributes and potential of E-85, the engine operates at diesel-like cylinder pressures and incorporates advanced spark-ignition technology. engine also incorporates an integrated stop-start system, which further reduces fuel consumption and emissions.

Downsized 4.0 TFSI for Audi S8 cuts fuel consumption 23% compared to predecessor; cylinder deactivation and start-stop

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Compared to the engine in the previous model, the normally aspirated 5.2-liter V10, the twin-turbo V8 develops 51 kW (70 hp) or around 15% more power, yet consumes 3.0 As the youngest member of the large Audi family of V engines, the 4.0 EnginesAudi S8 4.0

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

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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% configuration of the engine. FEV is also supporting Pinnacle on those initial versions of the engine. Pinnacle Engines estimates a possible reduction in FMEP of 0.35

Study: splash blended ethanol fuels with higher ethanol percentage enable higher thermal efficiency in SI engine

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A team from the University of Birmingham (UK) and Shell Global Solutions has investigated the effect of RON, octane sensitivity and charge cooling in splash-blended ethanol fuels with different volume percentages of ethanol on a single-cylinder direct-injection spark ignition (DISI) research engine. A downsized gasoline engine is one of the proven technologies that improves engine thermal efficiency and thus reduces automotive fleet CO 2 emissions, by as much as 25%.

Ford Marks 5-Millionth EcoBoost Engine Since 2009

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Back in 2009, Ford introduced what would become the backbone of its fuel-efficiency strategy: the EcoBoost line of efficiency-focused engines. Ford has used the smaller turbocharged, direct-injected engines in most of its models to improve its EPA fuel-economy ratings--even if high gas-mileage numbers aren''t always reflected in all buyers''. EcoBoost Turbochargers direct injection downsizing Fuel Economy EPA Ratings

Scuderi working on turbocharged variant of split-cycle engine; smaller, more powerful, and more fuel efficient

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Cartoon of the proposed turbocharged split-cycle engine. The Scuderi Group announced at the SAE 2011 World Congress in Detroit that boosting one of its air-hybrid split-cycle engines ( earlier post ) with a turbocharger to 3.2 Rendering of the turbocharged split-cycle engine.

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

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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.


Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

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Mazda’s roadmap to the ideal internal combustion engine. the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. engine. Engines