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

2015 39

Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

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Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. The current development of downsized spark ignition (SI) engines with boost pressure is a proven way of increasing the thermal efficiency and reducing CO 2 emissions. 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.

2016 20

Downsized 3-Cylinder Engines Not Refined Enough For Mercedes

Green Car Reports

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

BMW 24

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

Jaguar Joins Downsized Engine Parade With Very Familiar Four

Green Car Reports

Writing about the latest carmaker plans to add smaller, more efficient engines is now almost a weekly occurrence. Today's lucky winner is Jaguar, which took the occasion of the Beijing Auto Show to announce some future powertrain plans--including its first production four-cylinder engine since the late and unlamented X-Type sedan.

Auto 11

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.

2013 28

Next Mercedes-Benz small cars to get even tinier engines

Green Car Reports

Not so many years ago, a 1.2-liter engine would only have been found in the U.S. But times change, and engines of that size will soon be found even in the smallest of Mercedes-Benz luxury cars. emissions Future Cars downsizing Engines Fuel Economyin the smallest and least impressive of subcompact cars. It might have been a 3-cylinder, and certainly wouldn't have had even 100 horsepower.

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.

Volvo's Triple-Turbo Four-Cylinder Engine: 450 HP From 2.0 Liters

Green Car Reports

As carmakers downsize internal-combustion engines, they have to balance increased efficiency with the performance that many buyers demand. Volvo is proving that there is plenty of performance to be wrung out of its four-cylinder Drive-E engines. DON''T MISS: 2015 Volvo S60, XC60, New V60 Wagon: Fuel-Efficient Drive-E Engines The Swedish carmaker

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.

2014 38

Complex engine tech gets better ratings, does little in real world: report

Green Car Reports

While major strides in fuel economy have been made over the past five years, the complex engine technologies and other improvements turn out to have less effect in real-world. emissions hybrid downsizing CAFE Fuel Economy Turbocharging EPA Ratings Corporate Average Fuel EconomyLately, automakers haven't been touting the rising fuel economy of new vehicles, but it has to continue rising to meet reductions in the legal levels of carbon emitted.

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

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

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

Green Car Reports

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

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

Green Car Reports

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

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

Downsized and driving less: UK motorists cut back

Green Cars News

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.

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.

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.

2013 26

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

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

Green Car Reports

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?

Green Car Reports

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

Green Car Reports

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.

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

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

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

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

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.

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

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

Green Car Reports

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.

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

2016 46

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.

Federal-Mogul Powertrain introducing IROX 2 polymer bearings for crankshafts; effective for hybrid and start/stop applications

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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. Engines Fuel Efficiency

2017 41

Nissan Reveals Tiny Engine For Electric ZEOD Le Mans Racer

Green Car Reports

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

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

Green Car Reports

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