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

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Conceptual image of a possible multi-cylinder OPGCI engine. It could also be the first of a family of OPGCI engines spanning 1.0 OPGCI.

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

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One significant trend is engine downsizing coupled with turbocharging. Engines Fuel Efficiency Fuels High Octane FuelsSource: U.S.

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.

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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. Diesel Emissions Engines Fuel Efficiency Earlier post.). Source: Cummins. Chen, H.,

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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. The EA888 is one of the Volkswagen Group’s three major engine lines: EA 211 (gasoline engines 1.0l to 1.6l); EA 888 (Gen3 gasoline engines 1.8l to 2.0l); and EA 288 (MDB diesel engines). engine, but the torque is improved by 7 lb-ft, delivered much lower in the rev range.

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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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In a naturally aspirated conventional engine, this would result in a loss of BMEP, but an increase in thermal efficiency. Source: Scuderi.

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. Biggest investments in powertrain technologies over next five years. Source: KPMG.

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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?

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.

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. Engines Hybrids Plug-ins

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

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Specific power outputs in engines are likely to increase from current levels of around 95 kW/L to 130 kW/L to coming years. Click to enlarge.

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. The base engine is only 500mm tall x 400mm long x 200mm wide (19.68" x 15.74" x 7.78"). Click to enlarge.

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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

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. Modern engines are becoming smaller and smaller with high levels of dilution for efficiency.

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

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Downsizing the 2.0-liter base engine to a 1-liter, boosted direct injection (EcoBoost) engine delivers up to a 25% reduction.

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.

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

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.

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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.

Downsized and driving less: UK motorists cut back

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Latest news car use Enterprise rental

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. New 1.6

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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

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V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. Click to enlarge.

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. Batteries Engines

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

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demands of very high-power diesel engines. downsized diesel engines with improved fuel economy and CO 2 emissions. its strength.

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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improve function in the latest generation of lighter, highly-loaded aluminum-block engines. Engines Fuel Efficiency Materials

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

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Together the partners have sought to demonstrate an extremely cost-effective, ultra-efficient gasoline engine in a C-segment passenger car delivering the performance of a baseline 2.0-liter model but with significantly reduced real-world and drive cycle CO 2 emissions, and comparable improvements in fuel-economy. HyBoost demonstrator.

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.

Aeristech develops advanced 12V electric supercharger

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The car’s downsized 1.2 Engines Fuel Efficiency Vehicle SystemsEarlier post.). —Richard Wall, Aeristech CEO.

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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.

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).

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. 20 vol.%, 30 vol.% and 85 vol.% Resources.

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

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Even while projecting to the future and talking about batteries and electric vehicles, he said, “ when you look at our actual analysis and you look to our projections for the future, 95% or more of the vehicles, all of the heavy-duty vehicles in our analysis are relying on IC engines. should not discount novel engine designs.

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. For the CEC project, approved in 2011, Cummins originally envisioned adapting a medium-duty engine specifically to use E85 fuel, reducing the engine size from 6.7L

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

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The engine delivers 650 N·m (479 lb-ft) of torque between 1,700 and 5,500 rpm; and peak power (382 kW/520 hp) is developed at 5,800 rpm.

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. NA baseline engine.

Ford Marks 5-Millionth EcoBoost Engine Since 2009

Green Car Reports

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''.

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. An air-hybrid configuration of the engine adds a compressed air storage tank.

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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Since then, innovations in vehicle technologies have come rapidly, enabled by computer-aided design tools and electronic engine controls.

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. Energy balance in an internal combustion engine. engine. Engines

Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

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TFSI gasoline turbocharged direct injection engine for the first time at the Vienna Motor Symposium this week. Engines Fuel Efficiency

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