Green Car Congress

AUGUST 2, 2009

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. Knittel, 2009. Click to enlarge. Knittel, Christopher R.

Fuel Economy 210

Fuel Economy Downsizing Obama Economy 210

Green Car Congress

NOVEMBER 14, 2011

The team sees further potential for fuel economy improvement with engine downsizing. Estimated drive-cycle fuel economy and emissions—based on the single-cylinder 0.66L research engine efficiency and emissions maps—was 32.4 H2-DI showed a combined cycle fuel economy improvement to 45.4

Fuel Economy 262

Fuel Economy Economy 2016 Hydrogen 262

Green Car Congress

NOVEMBER 1, 2011

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. Downsizing the 2.0-liter Click to enlarge.

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Downsizing Prius Hybrid Emissions 230

Green Car Congress

AUGUST 20, 2013

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. —Sall et al.

Fuel Economy 230

Fuel Economy Exhaust Economy Fuel 230

Green Car Congress

NOVEMBER 21, 2011

Utilizing technologies such as turbocharging, direct injection, twin independent variable camshaft timing (Ti-VCT) and six-speed transmissions, the upgraded powertrain portfolio will deliver more than 20% in fuel economy improvement to Ford’s passenger vehicle fleet in China by 2015 while reducing tailpipe carbon dioxide emissions by 20%.

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Fuel Economy China Economy 2015 236

Green Car Congress

APRIL 14, 2011

Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fuel economy across both NEDC and FTP drive cycles, with a 13% improvement in fuel economy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system. Click to enlarge.

Fuel Economy 210

Fuel Economy Economy Engine Fuel 210

Green Car Congress

MAY 22, 2012

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.

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Downsizing Fuel Alternative Fuels Minivan 199

Green Car Congress

JUNE 23, 2014

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. Emissions Engines Fuel Efficiency'

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Fuel Economy Economy Ford Engine 247

Green Car Congress

OCTOBER 2, 2014

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 The powertrain incorporates a new aluminum-based downsized twin-turbocharged 3.0-liter L/100 km (42.8 mpg US) and CO 2 emissions of about 129 g/km.

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Infinity Fuel Economy MPG Concept 281

Green Car Congress

MAY 9, 2012

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

Fuel Economy 199

Fuel Economy Economy Fuel Eaton 199

Green Car Congress

SEPTEMBER 6, 2012

At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fuel economy and enabling technologies such as the EcoBoost engines. New Fiesta.

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Fuel Economy Europe Ford Economy 261

Green Car Congress

MAY 31, 2011

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.

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Downsizing Gasoline Engine Fuel Economy 199

Green Car Congress

APRIL 22, 2013

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.

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Fuel Economy Economy Fuel Downsizing 218

Green Car Congress

JULY 14, 2013

Volkswagen expects the new engine to offer significant highway fuel mileage gains over the 2.5-liter Volkswagen predicts fuel highway fuel economy will improve by up to 17% with the downsized engine. Engines Fuel Efficiency' liter unit. The Beetle and Beetle Convertible 2.5-liter s hydraulic setup.

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Downsizing Engine America 2014 296

Green Car Congress

MAY 1, 2009

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.

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Alcohol Blend Downsizing Engine Fuel 186

Green Car Congress

SEPTEMBER 4, 2013

The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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Fuel Economy Diesel Economy Gasoline 239

Green Car Congress

JANUARY 13, 2012

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. Click to enlarge.

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Downsizing Volvo Engine Hybrid 240

Green Car Congress

DECEMBER 11, 2011

Light duty vehicle fleet by type and average fuel efficiency. Growth is led by developing regions such as China, India, Africa and other emerging economies. Additionally, to achieve proposed fuel-economy targets, personal vehicles will need to be smaller and lighter than they are today. Transportation fuel demand.

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Personal Global Transportation Fuel 408

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.

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Fuel Economy Economy Auto Industry Standards 199

Green Car Congress

NOVEMBER 4, 2011

The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events. HCCI range extension with boosting. Source: Bosch. Click to enlarge.

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Fuel Economy Gasoline Light Engine 218

Green Car Congress

FEBRUARY 14, 2011

Hyundai Motor America has introduced its next-generation hydrogen fuel cell vehicle, the Tucson ix Fuel Cell Electric Vehicle (FCEV). The Tucson ix FCEV made its US public debut at Fuel Cell & Hydrogen Energy 2011 in Washington, DC. It achieves gasoline equivalent fuel efficiency of more than 70 mpg US (3.36 fuel economy.

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Tucson Hyundai Hydrogen Fuel 255

Green Car Congress

JULY 10, 2012

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

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Downsizing Gasoline Engine Fuel Economy 240

Green Car Congress

MARCH 6, 2012

liter gasoline-fueled TSI of the Polo BlueGT. The TSI develops a power output of 103 kW / 138 hp, with a combined fuel consumption of 4.7 If the Polo BlueGT is ordered with the optional 7-speed dual clutch gearbox (DSG), fuel consumption drops further to 4.5 The system was realized with the new 1.4-liter

MPG 257

MPG Fuel Economy Gasoline Engine 257

Green Car Congress

SEPTEMBER 7, 2011

liter model but with significantly reduced real-world and drive cycle CO 2 emissions, and comparable improvements in fuel-economy. In implementing this 50% downsizing by swept volume, the research team delivered zero degradation in driveability, performance or acceleration. Earlier post.). three-cylinder EcoBoost engine.

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Downsizing Low Cost Lead Acid Gasoline-Electric 210

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. Finally, partial hybridization using the 48V powertrain may be integrated to improve fuel economy.

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Battery Powered Fuel Economy Hybrid Powered 284

Green Car Congress

APRIL 24, 2012

Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline. air-fuel equivalence ratio, lambda) are fixed, and spark timing is adjusted until either maximum brake torque (MBT) is reached or incipient knock criteria are met. There is no ISFC improvement at high load.

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Light Fuel Economy Engine Fuel 304

Green Car Congress

OCTOBER 10, 2012

The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. Δ in fuel consumption. η BASIC.

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Waste PHEV Fuel Exhaust 312

Green Car Congress

MARCH 2, 2011

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. Solar panels have been applied to the entire roof surface of the Yaris HSD concept.

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Prius Downsizing Hybrid Toyota 231

Green Car Congress

APRIL 19, 2013

A study by a team from Ford Motor Company and AVL has concluded that a mid-level ethanol blend—greater than E20 but less than E40—appears to be attractive as a long-term future fuel for the US for use in engines optimized for the higher octane blend. The stoichiometric air-fuel ratio of ethanol is 9.0, Earlier post.)

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Engine Fuel Ford Future 253

Green Car Congress

SEPTEMBER 30, 2015

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.

Fuel Economy 150

Fuel Economy Economy Concept Fuel 150

Green Car Congress

JANUARY 2, 2018

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. 2017.11.006.

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Downsizing Engine Fuel Economy E6 186

Green Car Congress

FEBRUARY 12, 2014

Much further testing and optimization remains to be done, Kirby noted.

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Fuel Economy Hybrid Economy San Diego 270

Green Car Congress

JULY 26, 2012

The 2012 APEAL Study finds that 27% of new-vehicle buyers who replaced a vehicle downsized—i.e., The downsizing trend also has an impact on owner satisfaction with the fuel economy of their new vehicle. purchased a new vehicle in a smaller segment than the vehicle they replaced. Power and Associates.

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Downsizing 2012 Vehicles Powered 210

Green Car Congress

DECEMBER 6, 2011

Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines. When coupled with an energy recovery system, electric superchargers can be used to create a cost-competitive hybrid solution that can deliver fuel savings of up to 20% in the standard European driving cycle, Valeo said.

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Powered Power Downsizing Fuel Economy 326

Green Car Congress

DECEMBER 10, 2009

Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The first testing phase of Lotus Engineering’s Omnivore variable compression ratio, flex-fuel direct injection two-stroke engine ( earlier post ) has been successfully completed on gasoline. Click to enlarge.

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Fuel Economy Engine Light Fuel 218

Green Car Congress

JUNE 25, 2012

reduction in fuel consumption achieved with XL Hybrids’ aftermarket hybrid electric powertrain ( earlier post ) on a light-duty cargo van on the UDDS cycle (urban conditions). The testing process compares fuel economy performance from the vehicle in its original condition with the performance using XL Hybrids’ charge-sustaining hybrid system.

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Hybrid Fuel Lithium Ion Downsizing 330

Green Car Congress

OCTOBER 4, 2010

The ten engines (77 kW / 105 PS through 220 kW / 300 PS) of the new lineup are up to 18% more fuel efficient than their predecessors. Downsizing and technologies such as the Stop/Start system contribute to improved fuel efficiency in the gasoline-powered versions. L/100 km (56 mpg US), equivalent to 109 g/km CO 2.

Fuel Economy 170

Fuel Economy Economy Fuel Downsizing 170