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.

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

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Fuels Lubr. Diesel Emissions Engines Fuel Efficiency

2014 149

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

Green Car Reports

Lately, 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. 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 Economy

2017 71

Small Cars Now Deliver Fuel Efficiency of Big Motorcycles: How'd That Happen?

Green Car Reports

How are fuel-efficient are some of today's smaller cars? It turns out that they now actually equal the fuel economy of larger motorcycles--which is pretty amazing for a four-seat vehicle weighing more than a ton. Green EPA Ratings EcoBoost Fuel Economy downsizing motorcyclesEspecially since the motorcycles returning comparable gas-mileage figures weigh about one-fifth as much. DON'T MISS: Auto Industry Doing.

2015 82

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

Green Car Congress

This trend of increasing demand for higher octane gasoline is likely driven by changes in fuel requirements for light-duty vehicles (LDV) in response to increasing fuel economy standards, which will have widespread implications for future gasoline markets, according to EIA analysts.

2016 85

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

Green Car Congress

The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power.

2015 85

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

Green Car Congress

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. Their paper is published in the journal Fuel. The Miller cycle also has been shown to improve fuel economy at partial loads, owing to a more widely open throttle (WOT) and lower pumping loss. Engines Fuel Efficiency

2018 69

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

Green Car Congress

The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. It covers the range from high-power and -torque variants to fuel-efficient derivatives. The new powertrains are also up to 90 kg lighter than the present ones and fuel economy is improved by up to 35%. It proves that downsized engines can go hand in hand with our customers’ expectations on luxury and driving pleasure.

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

BorgWarner says that its Valve-Event Modulated Boost (VEMB) system can offer a total possible fuel economy improvement of 6% at low speeds to 17% at high speeds over already downsized and turbocharged engines by separating the exhaust event into an early blow-down phase directed toward the turbo and a late scavenge phase directed toward the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

2012 76

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

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.

2016 106

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''. EcoBoost Turbochargers direct injection downsizing Fuel Economy EPA Ratings

2009 82

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

Green Car Congress

The Advanced Elastoval II piston enters series production later this year in a new European passenger car, where it contributes to gains in fuel economy and reductions in CO 2. Engines Fuel Efficiency ManufacturingThe new Advanced Elastoval II piston. Click to enlarge.

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

Green Car Congress

Volkswagen expects the new engine to offer significant highway fuel mileage gains over the 2.5-liter unit. Volkswagen predicts fuel highway fuel economy will improve by up to 17% with the downsized engine. Engines Fuel Efficiency Technologies in the EA888 engine line. Click to enlarge.

Volvo to concentrate on hybrids and downsized engines for US

Green Car Congress

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 2012 XC60 carries an EPA fuel economy rating of 20 mpg US (11.8 The XC60 Plug-in Hybrid Concept was introduced at the Detroit Auto Show. Click to enlarge.

Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Tags: Fuel Efficiency

2009 96

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

Green Car Congress

variant but with fuel economy of a strong hybrid. 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.

Hyundai showcasing new downsized turbo engines and 7-speed dual-clutch transmission; i40 48V Hybrid, i30 CNG

Green Car Congress

Both engines—1.0-liter and 1.4-liter units which are part of a new generation of engines from the Kappa family—meet growing demand for small capacity, turbocharged engines to reduce fuel consumption and CO 2 emission without compromising performance. In addition, Hyundai is premiering at the Paris show its first 7-speed dual-clutch transmission, fitted into the i30 CNG natural gas concept car, which contributes to improved fuel efficiency. New engines and transmission.

2014 82

Consumer Reports survey shows high fuel costs cause downsizing, less driving; 73% would consider alt fuel vehicle

Green Car Congress

Two-thirds of owners surveyed said they expect their next vehicle to get better fuel mileage than the one they’re driving now, and fuel economy topped the list as the most important consideration when shopping for their next car, followed by quality and safety. In all, 73% of participants said they would consider some type of alternatively fueled vehicle, with flex-fuel and hybrid models leading the way.

2012 71

Tougher testing for emissions may mean bigger engines, but why?

Green Car Reports

Stricter global emissions standards have led many automakers to downsize engines, but that trend may be about to reverse itself. Cutting displacement is a relatively straightforward way to improve fuel economy. emissions CAFE Fuel Economy Turbocharging Corporate Average Fuel EconomyBut as regulators move toward adoption of more realistic testing procedures in the wake of the Volkswagen diesel scandal, automakers may.

2016 86

Toyotas Yaris hybrid concept anticipates B-segment hybrid strategy with first downsizing of HSD; Prius +

Green Car Congress

This marks Toyota’s first downsizing of its HSD technology. This engineering solution targets the independent powering of the air-conditioning unit for improved full hybrid powertrain fuel economy. Yaris HSD concept. Click to enlarge.

Tesla 500k goal, new-car fuel economy, FCA turbo 4-cylinder: Today's Car News

Green Car Reports

Also, new-car average fuel economy fell in April, and Fiat Chrysler Automobiles is reportedly working on a downsized turbocharged 4-cylinder engine for fuel efficiency. Today, Tesla aims to produce 500,000 cars per year by 2018, rather than 2020 was originally stated. All this and more on Green Car Reports. A consortium plans to test a 48-volt. Today in Car News

2016 63

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

Green Car Congress

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. Engines Fuel Efficiency HybridsHyBoost demonstrator. Click to enlarge.

Ricardo to assist Lifan in development of 1.2L turbocharged DI gasoline engines for downsizing applications

Green Car Congress

Ricardo will assist Lifan Automobile Group based in Chongqing, China, with the development of a family of highly downsized gasoline engines capable of meeting future Chinese and international fuel economy and emissions regulations. capacity platform offering a competitive balance of performance, fuel economy, manufacturing cost and weight.

Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

Green Car Congress

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. For example, with E85, the calorific value was 32% lower than the 98 RON fuel while the fuel consumption was 33% higher.

Controlled Power Technologies Packages Its Switched Reluctance Systems in ‘RegEnBoost’ System for Enhanced Support for Downsizing

Green Car Congress

Small displacement engines offer excellent CO 2 and fuel economy benefits; they have lower parasitic losses and operate more efficiently under part load conditions. Tags: Engines Fuel Efficiency Vehicle Systems The three components of the RegEnBoost system. Click to enlarge.

Viable exhaust-driven on-board ethanol reforming for improvements in fuel economy and emissions

Green Car Congress

A paper on their work is published in the ACS journal Energy & Fuels. Blending 25-50% of this low-temperature ethanol reformate with ethanol or E85 fuels enables dilute engine operation, resulting in substantial improvements in fuel economy and emissions.

2013 103

JD Power 2012 APEAL highlights ongoing downsizing trend for new car buyers in US; increasing satisfaction with smaller vehicles

Green Car Congress

Power and Associates’ latest APEAL (Automotive Performance, Execution and Layout) study—an examination of how gratifying a new vehicle is to own and drive, based on owner evaluations of more than 80 vehicle attributes— highlights an ongoing downsizing trend among US auto buyers, and finds that owners of small cars and light trucks are often just as satisfied with their vehicles as owners of larger ones. Fuel Efficiency Market Background Sales Vehicle Manufacturers

2012 74

Facing Fuel-Economy Fracas, Ford Focuses On Gas Mileage Myths (Video)

Green Car Reports

Many buyers of new Ford cars--both its 2013 C-Max and Fusion hybrids, and those fitted with its EcoBoost line of downsized, turbocharged engines--report real-world gas mileage much lower than the cars'' EPA ratings.

2013 95

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

Green Car Congress

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. The BSG also provides torque assistance to the engine to improve overall fuel economy. 48V Fuel Efficiency Hybrids

2015 77

Smaller car worst for true fuel economy performance

Green Cars News

The idea that downsizing will save you money in fuel costs, has been thrown into doubt as new research reveals that small engines often fail to meet their official MPG figures by the largest margin.

Volkswagen Emphasizes Downsizing at 30th Vienna Engine Symposium; Highlights 1.2 TSI and 1.6 TDI

Green Car Congress

Continuing to emphasize a downsizing approach, Volkswagen presented two new engines at the at the 30 th Vienna Engine Symposium (7-8 May): the 1.2-liter TSI gasoline engine and the 1.6-liter TDI diesel. Downsizing is rigorously being developed in the volume segments with the 1.2

Infiniti Q80 Inspiration concept hybrid delivers 550 hp with 42.8 mpg fuel economy

Green Car Congress

The four-door fastback is powered by a hybrid electric powertrain that is expected to deliver 550 hp (410 kW) with fuel consumption of 5.5

2014 121

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

Robert Bosch LLC, AVL Powertrain Engineering and partners including the University of Michigan are working on a four-year, $24-million US Department of Energy (DOE)-supported project— Advanced Combustion Concepts—Enabling Systems and Solutions (ACCESS)—to achieve a 30% fuel economy improvement in a gasoline-fueled light-duty vehicle without compromising performance while also meeting SULEV emission standards. naturally aspirated, port fuel injected V6.

2013 92

Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

Green Car Congress

mpg US) (NEDC combined consumption, provisional figure)—a fuel savings of 25% compared to the current S63 AMG. With this high-tech package we are “best in class” with respect to fuel consumption, output and torque.” AMG 5.5-liter V8 biturbo engine.

2010 88

Are Eco settings on cabin ventilation systems a safety hazard?

Green Car Reports

As corporate average fuel economy requirements that started in 2012 continue to tighten, automakers have turned to an entire arsenal of tactics to reduce the fuel their vehicles burn. Downsized and turbocharged engines, transmissions with many more gears, lighter-weight structures, better aerodynamics and more all add incrementally to efficiency. CAFE Crashes carbon dioxide air conditioning Corporate Average Fuel Economy Hazard

2017 71

BorgWarner launches new low-friction engine timing chain; 0.3-0.6% improvement in fuel economy

Green Car Congress

improvement in fuel economy based on customer testing. As automakers began downsizing engines to improve fuel economy, BorgWarner recognized opportunities to help further improve engine efficiency by reducing power-wasting friction in the engine timing system. BorgWarner’s next-generation 6.35 mm inverted tooth silent engine timing chains are launching on engines from Mitsubishi, Suzuki, Hyundai, General Motors Korea and one Chinese automaker.

2014 84

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. 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 104

Hyundai introduces hybrid version of new Sonata; 10% improvement in fuel economy over predecessor

Green Car Congress

Hyundai expects the 2016 Sonata Hybrid to improve fuel economy more than 10%. The 2016 Sonata Hybrid features a downsized 2.0-liter Nu GDI four-cylinder engine paired with a six-speed automatic transmission that houses a more powerful 38 kW electric motor and clutch where the torque converter would normally be found. Hyundai introduced the Hybrid version of the seventh-generation Sonata at the North American International Auto Show in Detroit.

2015 81

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

Green Car Congress

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% FEV conducted three programs to assess fuel economy potential; technical and manufacturing feasibility; and cost. Fuel economy. To predict fuel economy for the baseline 1.5L

2013 79

Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

Green Car Congress

Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. Cycle-based CAE analysis of fuel economy contribution of critical technologies.

2014 109

2015 Ford F-150 'Air Curtain' Cuts Aerodynamic Drag

Green Car Reports

The 2015 Ford F-150 arrived last year with a greater focus on fuel economy than any previous generation of the best-selling full-size pickup truck. Its weight-saving aluminum body and available downsized 2.7-liter turbocharged EcoBoost V-6 were meant to increase gas mileage. aerodynamics Fuel Economy Ram 1500 EcoDiesel

2015 85

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

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., 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. At a given boost level and fuel quality this can only be compensated for by either spark retardation or adjustment of the compression ratio.

2013 76

Ford EcoBoost Sales Continue To Rise: 1 Million In 2015 Projected

Green Car Reports

The EcoBoost engines use turbocharging and direct injection to increase power, which has allowed Ford to downsize engines. sales turbocharged EcoBoost Fuel EconomyBefore the end of this year, Ford expects sales of vehicles equipped with turbocharged EcoBoost engines to top 1 million for the first time. So far for 2015, sales are up 46 percent, the carmaker said in a recent press release.

2015 83