Connected, Downsizing and Resource

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

Green Car Congress

MAY 20, 2012

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. Source: Scuderi. Click to enlarge.

Downsizing

Downsizing Engine Fuel Power

Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

Green Car Congress

MAY 23, 2009

Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. Source: ETH Zürich. Click to enlarge. Earlier post.). Dönitz et al.

Downsizing

Downsizing Concept Engine Hybrid

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

Green Car Congress

MAY 9, 2012

The concentric camshaft features one set of lobes connected to the phaser sprocket, and a second set next to it is connected to phaser. Enablers for the VEMB system include a concentric camshaft, a blow-down exhaust manifold and a scavenge manifold. Total cost of implementation is much less than $10/1%, he said. and Sisson, J.

Fuel Economy

Fuel Economy Downsizing Economy Engine

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

Green Car Congress

APRIL 22, 2013

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. The small end of the connecting rod in the FEV systemis equipped with an eccentric sleeve housing the wrist pin. Click to enlarge.

Fuel Economy

Fuel Economy Economy Fuel Downsizing

Mitsubishi Electric develops EV motor system with built-in silicon carbide inverter

Green Car Congress

MARCH 8, 2012

The company plans to commercialize the motor system after finalizing other technologies for motor/inverter cooling, downsizing and efficiency. The newly developed cylinder-shaped inverter matches the diameter of the motor, enabling them to be connected coaxially within a chassis, resulting in a substantial downsizing of the motor system.

Mitsubishi

Mitsubishi Motor Motors Motoring

Audi using supplementary port fuel injection to address particulates from gasoline direct injection

Green Car Congress

JANUARY 14, 2014

GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. The MPI valves are supplied with fuel via a flush connection through the high pressure fuel pump (HPP) in order to guarantee internal cooling of the HPP during MPI operation. Resources.

Gasoline

Gasoline Audi Fuel Engine

A123: Increasing 48V battery power up to ~25 kW enables advanced mild hybrid capabilities with greater fuel savings

Green Car Congress

APRIL 6, 2017

Improving battery power to such as level would further enable hybridization to near-HEV levels as well as engine downsizing, thereby enabling fuel economy improvements beyond the current 10-15% MHEV limit. The BISG is connected to a 48 V (nominal battery) and also typically to a 12V powernet via a DC/DC convertor. Abdellahi, A.,

Battery Powered

Battery Powered Fuel Economy Power Powered

Torotrak shifting strategic focus in response to electrification trend; focus on KERS, away from V-Charge

Green Car Congress

JANUARY 31, 2017

Torotrak has been in commercial discussions with passenger car Tier 1s and OEMs as they seek to understand the full capability of V-Charge—Torotrak’s variable-drive mechanical supercharger that can enable ambitious engine downsizing ( earlier post ). We will take the appropriate actions to prudently manage our resources.

Charging

Charging Engine Commercial Diesel

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

Green Car Congress

FEBRUARY 1, 2009

Researchers at ETH Zürich are developing a pneumatic hybrid engine—an internal combustion engine connected to a compressed air tank instead of a battery system. The compressed air supply also allows extreme downsizing. Downsizing the engine in this instance halves the number of cylinders from four to two. Rüegg / ETH Zurich.

Hybrid

Hybrid Engine Downsizing 2009

New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

Green Car Congress

NOVEMBER 17, 2013

MKC will be the first Lincoln to have always-on built-in connectivity, allowing owners to utilize a smartphone app to control the vehicle. With the MyLincoln Mobile app, MKC owners can start, lock, unlock and locate the vehicle, as well as schedule a remote start event for a set time.

Louisville

Louisville Exhaust Future Fuel Economy

GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

JULY 12, 2013

The company is also the thermodynamic efficiency of gasoline engines using a suite of technologies that include downsizing, turbocharging, direct injection, variable valve timing and cylinder deactivation. Connected Vehicles that leverage data, enhance vehicle safety and connect drivers with their digital worlds in a responsible way.

GM

GM MPG Manufacturer 2017

DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

Green Car Congress

JUNE 22, 2013

The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Engine downsizing is a key tool in improving fuel economy. A control shaft and connecting links pivot the eccentric carrier. Earlier post.). Engines Fuel Efficiency'

Engine

Engine Eaton Fuel Economy Downsizing

Flywheel Energy Storage System for Rubber Tired Gantry Cranes

Green Car Congress

APRIL 8, 2009

The Vycon flywheel for the RTG crane consists of a 3-phase permanent magnet synchronous motor-generator connected to a 3-phase inverter. downsizing), additional fuel savings are realized during the idle periods. The flywheel spins in a vacuum, is levitated on active magnetic bearings, and stores 2.1 kWh) at 18 kRPM.

Energy Storage

Energy Storage Energy Downsizing Installation

Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

Green Car Congress

APRIL 22, 2009

Honda R&D began developing the VCR mechanism due to what Masahsi Kato, who presented a paper on the control system of the dual piston mechanism, described as drawbacks to current approaches to improving fuel-efficiency in gasoline engines of downsizing and new combustion technology. Resources. Kadota et al. Ishikawa, M. Yoshida, K.

Honda

Honda Concept Engine Downsizing

Study Finds That Tripling US LDV New Fleet Fuel Efficiency by 2035 Through Evolutionary Change is Ambitious But Doable

Green Car Congress

SEPTEMBER 2, 2010

Nevertheless, projected fuel savings greatly exceed upfront costs and this evolutionary horizon remains less costly than revolutionary changes in vehicles based on electric grid connection, hydrogen or other alternatives that entail extensive new infrastructure. L/100km) by 2025 and 74 mpg (3.18 L/100km) by 2035. —John DeCicco.

Fleet

Fleet Fuel Automobile MPG

ZF and Continental Partner on Commercial Vehicle Hybrid Drives

Green Car Congress

MAY 7, 2009

The parallel hybrid concept can be implemented in a particularly profitable manner thanks to the utilization of existing vehicle resources in the driveline. The additional system weight due to wiring, battery, and the cooling system is offset by downsizing the combustion engine, and by omitting the 24 V battery, and starter.

Commercial

Commercial Hybrid Vehicles Li-ion

Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

Green Car Congress

JUNE 14, 2011

Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fuel economy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.

Fuel Economy

Fuel Economy Economy Auto Industry Standards

Mixed Outlook for Mainstream Consumer Adoption of PHEVs

Green Car Congress

FEBRUARY 14, 2009

The competition against PHEVs in 2030 is likely to incorporate a radically downsized, boosted direct-injection engine; an automated manual or 7-8 speed automatic transmission; advanced tires with C R at 0.006 or below; a 30% weight reduction on the glider; advanced aerodynamics with C D of 0.22 Tax the fuel.” Jonn Axsen and Kenneth S.

PHEV

PHEV Fuel Economy San Diego Climate Change

Untether AI and GM to develop next-generation autonomous vehicle perception systems; “at-memory computation”

Green Car Congress

APRIL 29, 2022

The project’s goal is to help increase autonomous vehicle performance by providing faster and more accurate vision response, reducing the power draw of various AV systems to increase battery life, and even helping to enable the downsizing of vehicle batteries.

GM

GM Vehicles General Motors Downsizing

MAHLE study finds its Turbulent Jet Ignition pre-chamber initiated combustion system can deliver HCCI-like fuel economy in a conventional PFI engine

Green Car Congress

APRIL 14, 2011

MAHLE’s TJI system is characterized by auxiliary pre-chamber fueling; small orifices connecting the main and pre-chamber combustion cavities and a very small pre-chamber volume. Strong synergies also exist at high load when applying the jet ignition combustion system to a heavily downsized platform. —Attard et al.

Fuel Economy

Fuel Economy Economy Engine Fuel

The Long and Mostly Short of China’s Newest GPT

Cars That Think

JULY 28, 2023

In China’s case, LLMs are currently downsizing in their size and number of parameters. Parameters are the weights of the connections between digital “neurons” in the model, representing the relationships between words and phrases. Who said all large-language models (LLMs) necessarily need to be large? a series of open-source LLMs.

Chinese

Chinese China Downsizing Building

NREL Study Finds That A Dynamic Plug-in Vehicle Could Be A Promising Technology Pathway for Cost-Effective Vehicle Electrification

Green Car Congress

FEBRUARY 14, 2010

a vehicle that recharges while moving along the roadway—because of the resulting downsizing of the battery pack; significant battery improvements reducing the cost to the DOE target of $300/kWh (they used $700/kWh as the current level); or an improvement in battery life by a factor of 10. Brooker, A.; Thornton, M.; NREL Report No.

Plug-in

Plug-in Plug Vehicles PHEV

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

Green Car Congress

AUGUST 20, 2013

For experimental convenience, relatively long and massive exhaust lines connected the engine to the reformers in this study, resulting in heating times approaching 20 min. Even with substantial reductions in exhaust line thermal mass, downsizing of the reformer is likely to be required to achieve heating times significantly below 5 min.

Fuel Economy

Fuel Economy Exhaust Economy Fuel

Achates Power opposed-piston diesel for TARDEC will demonstrate multi-cylinder configuration

Green Car Congress

FEBRUARY 4, 2013

There are a variety of mechanical design arrangements of crankshafts and connecting rods to articulate the pistons in an opposed piston engine. The A48 architecture uses conventionally designed crankshafts and connecting rods. Cutaway of power module concept, showing internal gear train. Click to enlarge. The A48 gear architecture.

Diesel

Diesel Power Powered Exhaust

NHTSA Modeling and Technology Projections Underlying the Proposed CAFE Target of 34.1 mpg by MY 2016

Green Car Congress

SEPTEMBER 21, 2009

Turbocharging and downsizing (TRBDS): increases the available airflow and specific power level, allowing a reduced engine size while maintaining performance. Continuously variable transmission: commonly uses V-shaped pulleys connected by a metal belt rather than gears to provide ratios for operation. Mass Reduction (3.5%

2016

2016 MPG Fuel Economy EPA

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

Green Car Congress

JULY 17, 2015

It offers the solution to several significant transitions we need: moving society from burning fossil fuels to substituting renewable resource fuels such as solar, wind and biofuels; and from using fossil materials as fuel to using them for other recyclable uses. It is much more than that.

PHEV

PHEV Plug-in Renewable Energy

How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

APRIL 21, 2009

Our PRIUS+ Project Photos PHEV Resources Global Warming Take Action News and Events Contact Us How Carmakers are Responding to the Plug-In Hybrid Opportunity If you ask, "have major auto-makers come around on PHEVs?", Toyota is also concerned that plug-in owners might tire of connecting their cars every day.

Plug-in

Plug-in Plug Hybrid PHEV

EV Driven

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

Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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

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

Mitsubishi Electric develops EV motor system with built-in silicon carbide inverter

Audi using supplementary port fuel injection to address particulates from gasoline direct injection

A123: Increasing 48V battery power up to ~25 kW enables advanced mild hybrid capabilities with greater fuel savings

Torotrak shifting strategic focus in response to electrification trend; focus on KERS, away from V-Charge

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

New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

Flywheel Energy Storage System for Rubber Tired Gantry Cranes

Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

Study Finds That Tripling US LDV New Fleet Fuel Efficiency by 2035 Through Evolutionary Change is Ambitious But Doable

ZF and Continental Partner on Commercial Vehicle Hybrid Drives

Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

Mixed Outlook for Mainstream Consumer Adoption of PHEVs

Untether AI and GM to develop next-generation autonomous vehicle perception systems; “at-memory computation”

MAHLE study finds its Turbulent Jet Ignition pre-chamber initiated combustion system can deliver HCCI-like fuel economy in a conventional PFI engine

The Long and Mostly Short of China’s Newest GPT

NREL Study Finds That A Dynamic Plug-in Vehicle Could Be A Promising Technology Pathway for Cost-Effective Vehicle Electrification

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

Achates Power opposed-piston diesel for TARDEC will demonstrate multi-cylinder configuration

NHTSA Modeling and Technology Projections Underlying the Proposed CAFE Target of 34.1 mpg by MY 2016

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

How Carmakers Are Responding to the Plug-In Hybrid Opportunity

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