Green Car Congress

JUNE 4, 2010

Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council. Engines and Technologies.

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Purchase Lithium Ion Fuel Fuel Economy 210

Green Car Congress

OCTOBER 16, 2013

Early versions of direct injection employed a stratified injection strategy which included late fuel injection and charge air motion to produce a stoichiometric air/fuel mixture in the vicinity of the spark plug and, thereby, avoid pumping losses from the need to throttle the engine at light load. —Maricq et al. gasoline blend.

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Standards Emissions Miles Engine 246

Green Car Congress

JULY 14, 2016

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. A new study by a team at the University of Toronto has made a preliminary assessment of the climate trade-off (i.e.,

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Climate Engine Carbon Fuel Economy 150

Green Car Congress

SEPTEMBER 2, 2010

Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., Adjusted on-road fuel economy correspondingly would be 41 mpg (5.74 Source: DeCicco 2010. Click to enlarge.

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Fleet Fuel Automobile MPG 236

Green Car Congress

OCTOBER 25, 2012

FEV performed engine mappings in a dynamometer test cell to evaluate the fuel economy of Pinnacle’s TP90 scooter engine compared to a benchmark engine (N15) from Pinnacle’s Asian OEM partner. This combination of variable compression ratio and our operating mode gets us huge fuel economy wins.

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Engine Fuel Fuel Economy Production 262

Green Car Congress

MAY 18, 2015

Conflicting evidence does not support making a firm conclusion on the fuel consumption benefit of catalysed Exhaust Gas Recirculation (EGR), according to a review of current studies by a team at the University of Bath (UK). As an example, one study found a decrease in fuel consumption of up to 2%, while another found an increase of 1.5%-3.5%.

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Fuel Exhaust Gas Engine 150

Green Car Congress

JANUARY 14, 2011

” The more weight we can take out of our vehicles though use of alternative materials, and other lightweighting strategies that we have, that enables us to further downsize the engine—which is the biggest lever you can pull in the vehicle. liter EcoBoost I-4, expected to deliver 30% better fuel economy than the 2010 model.

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Ford Fuel Emissions Vehicles 252

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines. —Saliba et al.

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Fleet Engine Global Fuel Economy 207

Green Car Congress

AUGUST 4, 2011

At the workshop, Kiyoshi Fujiwara, Mazda Executive Officer in charge of project planning and development, suggested unofficially that Mazda engineers think they ultimately may be able to approach 60% thermal efficiency with combustion engines for light duty vehicles. Extreme compression ratio rather than downsizing.

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Mazda Engine Gasoline Diesel 322

Green Car Congress

AUGUST 16, 2016

Conduct fundamental studies of an alkali halide based solid‐electrolyte to demonstrate self‐ healing properties to overcome low cycle life and safety concerns associated with dendrite formation for lithium metal batteries. valve faces, piston crowns, and exhaust ports) to improve fuel economy. Massachusetts Institute of Technology.

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Vehicles Plug-in Lithium Ion Universal 150

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. The new study. —Attard et al.

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Fuel Economy Economy Engine Fuel 210

Green Car Congress

FEBRUARY 14, 2009

Bubble chart of plausible mainstream PHEV buyers’ battery requirements (light and dark gray circles) and experts’s requirements overlaid on a Ragone plot of NiMH and Li-ion batteries. The Most Plausible Early Market consumers value fuel economy. Source: Ken Kurani. Click to enlarge. Ken Kurani. Steve Plotkin.

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PHEV Fuel Economy San Diego Climate Change 150

Green Car Congress

AUGUST 1, 2016

The new funding opportunity ( DE-FOA-0001461 ) will advance the long-term objective of the Co-Optima initiative to accelerate widespread deployment of significantly improved fuels and vehicles (from passenger to light truck to heavy-duty commercial vehicles) by 2030. Careful studies aimed at clarifying these interactions are needed.

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Engine Fuel Emissions Pollution 150

Green Car Congress

MAY 8, 2013

Future advanced engine and powertrain configurations must address emission and fuel economy requirements for worldwide applications, transition to bio-fuels, and synergies with future powertrain trends. Combustion studies. improvement in fuel economy over the baseline engine for the Metro-Highway (M-H) cycle. Earlier post.).

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Fuel Economy Economy Fuel Engine 278

Green Car Congress

DECEMBER 17, 2015

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. Earlier post.) Earlier post.). Earlier post.). Fabien Redon.

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Downsizing Engine Fuel Gasoline 150

Green Car Congress

JUNE 16, 2011

To address this request, the NRC formed the Committee on the Assessment of Technologies for Improving Light-Duty Vehicle Fuel Economy. Further, the benefits of some technologies are not completely represented in the tests used to estimate corporate average fuel economy (CAFE).

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Fuel Downsizing Fuel Economy Diesel 210

Green Car Congress

JUNE 19, 2015

The analysis used by federal agencies to set standards for fuel economy (CAFE) and greenhouse gas emissions for new US light-duty vehicles from 2017 to 2025 was thorough and of high caliber overall, according to a new report from the National Research Council. UMTRI Survey: US drivers want better fuel economy, don’t care how.

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Standards Fuel Economy Economy EPA 150

Green Car Congress

MAY 26, 2015

Combined fuel economy (mpg). The second-generation hybrid system has been thoroughly enhanced from its predecessor: The downsized GDI engine features an aluminum block and head, a compression ratio of 13.5:1, Drivers are first alerted of a vehicle in the blind spot by warning lights in the side mirrors. Engine power (kW).

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PHEV 2016 Hyundai Plug-in 150

Green Car Congress

JUNE 23, 2015

A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L Even for an aggressively downsized engine such as the 1.0-liter liter EcoBoost, a significant improvement in vehicle fuel economy could be found by exploiting cylinder deactivation.

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Ford Fuel Economy Downsizing Economy 150

Green Car Congress

APRIL 17, 2014

Compared to new diesel engines, the Delphi team found that BSFC for GDCI at light loads was comparable or better, and at high loads was about 5% higher. Current study. For this reason, GDCI is a good candidate for aggressive downsizing, downspeeding, and boosting, which is a proven strategy for high vehicle-level fuel economy.

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Gasoline Engine Fuel Wisconsin 304

Green Car Congress

OCTOBER 8, 2013

Naphtha refers to the light fraction produced by distillation that is roughly in the gasoline boiling range of ~30 °C to ~200 °C. Naphta is characterized as light or heavy depending upon its distillation cut, and is used as a feedstock of high-octane gasoline. in their paper published in the Saudi Aramco Journal of Technology.

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Gasoline Fuel Range Diesel 207

Green Car Congress

JULY 17, 2015

Frank has spent more than 30 years in breakthrough vehicle development, during which he received two world records for vehicle fuel economy, designed nine generations of PHEVs, and was a four-time winner of US DOE Advanced Vehicle Design competitions. The impetus for this change came from a study by the US Idaho National Lab [ 2 ].

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PHEV Plug-in Renewable Energy 150