Comparison, Downsizing and Exhaust

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

Green Car Congress

MAY 15, 2013

liter, 3-cylinder design of the Pinnacle engine, as well as a downsized, turbocharged 750cc Pinnacle design. FEV added two additional cylinders, piping, exhaust aftertreatment, and an air cleaner to convert the model from a 250cc single cylinder into a 750 cc three cylinder engine. less than with the exhaust cam also phased.

Fuel Economy

Fuel Economy Economy Engine Downsizing

Rotrak testing prototype variable drive supercharger in vehicle on dyno

Green Car Congress

JANUARY 26, 2012

In a 2010 paper, Roger Stone, Engineering Director, Torotrak noted that conventional turbo- and supercharging technologies are more than capable of delivering the required peak power and torque levels from downsized engines but suffer from a number of. It gives the next generation of downsized powertrains ‘big-engine’ response.

Downsizing

Downsizing Vehicles Fuel Economy 2010

Ricardo: achieving light-duty diesel RDE NOx compliance in urban driving is possible, at a price

Green Car Congress

JUNE 11, 2016

The vehicles on which the research was based were representative of current production models at the more aggressive end of the downsizing spectrum in terms of engine capacity and output, but modeled with a future three cylinder 1.5 The cost comparison is with respect to a Euro 5 baseline. liter diesel engine. Click to enlarge.

Light

Light Diesel Price Exhaust

FEV to Show GT2 2-Stage Turbo Charging Unit at SAE World Congress

Green Car Congress

APRIL 6, 2010

Right : Comparison of CO 2 -emissions and performance of the GT2-concept. In designing the unit for use on a small engine, FEV created a completely new exhaust manifold on the 1.8L – DISI developmental engine with advanced features such as VCT and adapted charge motion. Left : Full load engine torque curves. Source: FEV. FEV, Inc., (FEV)

Congress

Congress Charging Downsizing Detroit

Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

Green Car Congress

APRIL 17, 2014

Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. A practical powertrain system with robust PPCI combustion is needed, including injection, valvetrain, boost, and exhaust subsystems. —Sellnau et al. kWh and FSN 0.1,

Gasoline

Gasoline Engine Fuel Wisconsin

ICCT: 2025 target average of 70 g/km CO2 for new cars in EU feasible and economical; more so with electric drive

Green Car Congress

NOVEMBER 22, 2016

However, although a CO 2 target of 70 g/km could be met without significant deployment of electric vehicles, the study found that exhausting all the potential gains from combustion engine technology improvements before transitioning to electric drive would be a relatively costly approach for vehicle manufacturers. Source: The ICCT.

CO2

CO2 2014 Cars Exhaust

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

APRIL 24, 2012

Comparison of ISFC (@42.9 The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. Source: Pinnacle. Click to enlarge.

Light

Light Fuel Economy Engine Fuel

Volkswagen introduces new 1L, 3-cylinder gasoline Golf; 54.7 mpg

Green Car Congress

JUNE 2, 2015

Despite its efficiency, the Golf TSI BlueMotion with the 85 kW / 114 hp downsized 999 cc EA211-series engine reaches 100 km/h in 9.7 Golf Comparisons. Exhaust manifold integrated in cylinder head. The exhaust manifold of the 1.0 The exhaust manifold of the 1.0 engine) introduced in 1975. Small turbocharger.

Gasoline

Gasoline MPG Exhaust Engine

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Green Car Congress

MAY 12, 2017

Although real-world fuel economy improvements from GDI technology alone are close to 1.5%, they can reach 8% by downsizing and turbocharging the engine, which can be achieved on GDI engines without loss of power compared to PFI engines. Organic gas emissions were the most sensitive to cold-start compared to the other pollutants tested.

Fleet

Fleet Engine Fuel Economy Global

Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

Green Car Congress

AUGUST 10, 2009

Comparison of Emission Standards (g/mi). . We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. To be able effectively to implement downsizing and downspeeding, good low-end torque is essential. Differentiated Analysis of Downsizing Concepts”). CA LEV US T2B2 CA SULEV.

Gasoline

Gasoline Diesel Engine Emissions

Lotus Omnivore Engine Shows Up To 10% Better Fuel Economy Than Spray-Guided GDI Engines; Achieves HCCI At Extremely Light Loads

Green Car Congress

DECEMBER 10, 2009

Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The automotive industry, including Lotus Engineering, has quite rightly advocated engine downsizing for four-stroke engines. Click to enlarge. Displacement. Compression ratio. Porting arrangement.

Fuel Economy

Fuel Economy Engine Light Fuel

Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

Green Car Congress

DECEMBER 2, 2009

Fiesta features Twin Independent Variable Camshaft Timing (Ti-VCT) ( earlier post ) which allows the engine to be downsized for fuel economy while continuously optimizing camshaft phasing for throttle response, performance and flexibility.

Los Angeles

Los Angeles North America Ford MPG

3rd generation Mercedes-Benz M-Class SUV lineup on average consumes 25% less fuel than previous models; pilot for the energy-transparent vehicle development tool

Green Car Congress

SEPTEMBER 11, 2011

On the diesel side—now available solely as BlueTEC units with SCR aftertreatment technology) , the focus is on downsizing and the new version of the V6 CDI engine. The HP turbine is located directly at the exhaust manifold and initially allows exhaust gas to flow through it; it then rotates at up to 215,000 revolutions per minute.

Mercedes

Mercedes Fuel SUV Energy

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

Green Car Congress

SEPTEMBER 21, 2009

Cylinder deactivation: deactivates the intake and exhaust valves and prevents fuel injection into some cylinders during light-load operation. Variable valve timing: alters the timing or phase of the intake valve, exhaust valve, or both, primarily to reduce pumping losses, increase specific power, and control residual gases.

2016

2016 MPG Fuel Economy EPA

NRC releases second report on 21st Century Truck Partnership

Green Car Congress

NOVEMBER 23, 2011

The aftertreatment program within the 21CTP should be continued, and DOE should continue to support the activities of the Cross-cut Lean Exhaust Emissions Reductions Simulations (CLEERS) program that interface with the activities of the aftertreatment technical community at large. Recommendation 3-7. HYBRID VEHICLES. Recommendation 4-3.

EPA

EPA Fuel Engine Hybrid

Developing Fords EcoBoost Combustion System

Green Car Congress

APRIL 29, 2009

Ford’s turbocharged, gasoline direct injection EcoBoost engines are targeted to play a significant near-term role in Ford’s efforts to reduce fuel consumption by enabling downsizing. Near-valve flow structure comparison between high flow port (left) and high tumble port (right). port fuel injected (PFI) V8 engine. Earlier post.).

Ford

Ford 2009 Engine Davis

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

Green Car Congress

FEBRUARY 1, 2009

The pneumatic hybrid engine, which follows the downsizing and supercharging paradigm, offers a fuel-saving potential that is almost equal to that of hybrid electric powertrains while inducing much lower additional mass and cost penalties, according to the ETH Zürich researchers. The compressed air supply also allows extreme downsizing.

Hybrid

Hybrid Engine Downsizing 2009

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

The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. Appendix B: Car of the Future: A Comparison of Alternative Vehicles. More information on e-mile comparisons is given by Reference Nº 2. by Professor Andrew Alfonso Frank. CTO Efficient Drivetrains Inc. Conclusions.

PHEV

PHEV Plug-in Renewable Energy

EV Driven

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

Rotrak testing prototype variable drive supercharger in vehicle on dyno

Ricardo: achieving light-duty diesel RDE NOx compliance in urban driving is possible, at a price

FEV to Show GT2 2-Stage Turbo Charging Unit at SAE World Congress

Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

ICCT: 2025 target average of 70 g/km CO2 for new cars in EU feasible and economical; more so with electric drive

Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Volkswagen introduces new 1L, 3-cylinder gasoline Golf; 54.7 mpg

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

Lotus Omnivore Engine Shows Up To 10% Better Fuel Economy Than Spray-Guided GDI Engines; Achieves HCCI At Extremely Light Loads

Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

3rd generation Mercedes-Benz M-Class SUV lineup on average consumes 25% less fuel than previous models; pilot for the energy-transparent vehicle development tool

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

NRC releases second report on 21st Century Truck Partnership

Developing Fords EcoBoost Combustion System

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

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

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