Green Car Congress

FEBRUARY 23, 2020

Once vehicle-classification labels were applied using commercial software, and DOE fuel-economy estimates added, the team had a unique dataset to train a convolutional neural network for vehicle identification. Gee, “Estimating Vehicle Fuel Economy from Overhead Camera Imagery and Application for Traffic Control.”

Light 359

Light Fuel Vehicles 2018 359

Green Car Congress

FEBRUARY 5, 2018

The Ricardo CryoPower concept aims to increase the fuel efficiency while reducing operating costs and CO 2 emissions for long haul trucks and other heavy-duty applications. The combustion process utilizes either renewable or traditional fuels, liquid or gaseous, and delivers heat energy back to the chilled and compressed intake air.

Commercial 199

Commercial Engine Companies Fuel 199

Green Car Congress

AUGUST 11, 2009

Start-up Bright Automotive, which in May unveiled its IDEA concept series plug-in hybrid light commercial van ( earlier post ), will convert VW Transporter vans with the series hybrid Bright powertrain as a bridge between the concept and the production version of the IDEA. The IDEA concept. Fuel economy, 50-mile cycle.

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Bright Automotive Convert Plug-in Transportation 210

Green Car Congress

SEPTEMBER 4, 2013

The concept of the Ricardo Split-Cycle engine. Ricardo is advancing its work with two novel technologies to improve the efficiency of heavy-duty goods vehicles: a cryogenic split-cycle engine “ CryoPower ” ( earlier post ), and a low-carbon waste-heat powered microwave fuel reformer “ HeatWave II ”. Source: Neville Jackson.

Engine 249

Engine Fuel Vehicles Waste 249

Green Car Congress

SEPTEMBER 15, 2009

Ulrich Hackenberg, Member of the Board of Volkswagen Brand Technical Development, in front of the Volkswagen Concept Car L1 in Frankfurt. Volkswagen unveiled the L1, its second-generation one-liter class concept car, at the Frankfurt Motor Show. The earlier, first-generation 1-Litre concept. Click to enlarge. Earlier post.)

Diesel 296

Diesel Concept Design Hybrid 296

Green Car Congress

JANUARY 5, 2015

Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. The basic concept of Dynamic Skip Fire technology is to manage torque production in response to the driver command via selectively engaging or disengaging torque production from engine cylinders rather than by throttling.

GM 150

GM Engine Fuel Fuel Economy 150

Green Car Congress

FEBRUARY 4, 2009

Comparison of Fuel Consumption, Fun to Drive and System Cost of the different powertrain concepts. Stage 1 of the Turbohybrid powertrain concept. Nevertheless, the most essential fuel economy aspect of the Turbohybrid concept is the possibility of a high level of downsizing and downspeeding.

Hybrid 150

Hybrid Concept Downsizing Fuel 150

Green Car Congress

OCTOBER 25, 2012

Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. 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. Click to enlarge. Click to enlarge.

Engine 262

Engine Fuel Fuel Economy Production 262

Green Car Congress

MARCH 31, 2014

CO 2 emissions of the C 180 in comparison to its predecessor [t/car]. The new C-Class, features a lightweight design concept with weight savings of up to 100 kg (220 lbs); excellent aerodynamics; and new, economical engines (along with a hybrid model). Source: Mercedes-Benz. Click to enlarge. The new C-Class. l/100 km (36.8

Mercedes 252

Mercedes CO2 2007 MPG 252

Green Car Congress

JUNE 4, 2010

The committee’s estimates are based on a variety of factors including recent reports from regulatory agencies and other sources; component cost estimates from suppliers; discussions with experts; and comparisons of prices and fuel consumption of similar vehicles. Assessment of Fuel Economy Technologies for Light-Duty Vehicles.

Purchase 210

Purchase Lithium Ion Fuel Available 210

Green Car Congress

NOVEMBER 25, 2013

While Hyundai, Toyota and Honda seized much attention over their presentations of fuel cell rollout plans (in the case of Hyundai) and concepts (in the case of Honda and Toyota) at the Los Angeles and Tokyo auto shows, Daimler used EVS27 in Barcelona as a forum to report on its 3.3 Earlier post.). Source: Daimler AG. Click to enlarge.

Mercedes 300

Mercedes Fuel Los Angeles Hydrogen 300

Green Car Congress

AUGUST 10, 2009

Comparison of Emission Standards (g/mi). . Many improvements in fleet fuel economy in Europe have been achieved through increased diesel market share, with the diesel market share in Europe now above 50%. Differentiated Analysis of Downsizing Concepts”). Advanced boosting concepts. Direct injection fueling.

Gasoline 150

Gasoline Diesel Engine Emissions 150

Green Car Congress

AUGUST 3, 2009

The dual-fuel PCCI strategy showed thermal efficiency of 53%. Emissions under the dual-fuel concept, at 11 bar IMEP. The University of Wisconsin concept proposes the use of dual fuel tanks, with port fuel injection of gasoline and direct injection of diesel, with the in-cylinder mixing of the fuels.

Wisconsin 225

Wisconsin Gasoline Diesel Universal 225

Green Car Congress

MARCH 4, 2010

This new hybrid system, said Owen Thunes, Senior Project Engineer, Electric, Hybrid & Fuel Cell Vehicles, Nissan Technical Center NA, at the SAE 2010 Hybrid Vehicle Technologies Symposium in February, can deliver fuel economy similar to that of a compact car, even with its 3.5-liter liter V6-based engine.

Infinity 259

Infinity Hybrid Motor Motors 259

Green Car Congress

DECEMBER 16, 2010

In the most-general terms, the term “advanced combustion regimes” is intended to encompass clean and highly-efficient, liquid-fueled combustion engines. Such engines may incorporate novel thermodynamic cycles, but should not simply involve regurgitation of existing concepts (e.g., Miller Cycle). AOI 2: Lightweighting Materials.

Li-ion 231

Li-ion Carbon Fiber Vehicles Low Cost 231

Green Car Congress

APRIL 26, 2009

Proposed by John Heywood and colleagues at MIT in 2005, the basic premise of E85 boosting is that ethanol (or other lower alcohols) suppresses knock due to the large evaporative cooling effect it has on the air-fuel mixture when injected directly into the cylinder, supplemented by ethanol’s inherent high octane number. Earlier post.)

Diesel 170

Diesel Ford F-150 Gasoline 170

Green Car Congress

JUNE 25, 2009

Optimized aerodynamics have a direct impact on the car’s fuel economy and emission management; a reduction of air drag by 10% offers a reduction of fuel consumption on the road of more than 2.5%, according to BMW. Liter Straight-Six Gasoline Engine with TwinPower Turbo.

BMW 199

BMW 2009 Engine Gasoline-Electric 199

Green Car Congress

FEBRUARY 2, 2013

The US Department of Energy (DOE) Vehicle Technology Program is seeking public comment on the draft of an upcoming solicitation ( DE-FOA-0000793 ) totaling more than $50 million for new research projects that will develop advanced technologies to improve vehicle performance and increase fuel economy.

Li-ion 240

Li-ion Fuel Vehicles Lithium Ion 240

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

OCTOBER 30, 2016

In comparison with the previous V6, the CO 2 emissions from the engine have been reduced by around 15%. The efficiency is increased by the higher burning rate in comparison with the previous omega combustion bowl. An additional bonus is the refinement of the six-cylinder in-line engine. New four-cylinder gasoline engine M 264.

Gasoline 150

Gasoline Mercedes Engine Diesel 150

Green Car Congress

NOVEMBER 2, 2015

Although the EPA has not as of this writing released the final fuel economy numbers for the US A3 e-tron, Filip Brabec, Director, Product Management, Audi of America, said that the figures will be around 83 to 86 MPGe combined (depending on the equipment level), with 35 to 39 mpg gasoline only and 16-17 miles of EV range.

Audi 150

Audi Plug-in Plug Hybrid 150

Green Car Congress

APRIL 17, 2014

million grant to develop and to demonstrate a new ultra fuel efficient vehicle (UFEV) vehicle concept. Delphi has been developing a multi-cylinder engine concept for PPCI combustion with the current US market gasoline (RON91).… Earlier post.) These were two main consideration in base engine design. —Sellnau et al.

Gasoline 304

Gasoline Engine Fuel Wisconsin 304

Clean Fleet Report

APRIL 12, 2024

Charging nightly and driving less than 29 miles will mean less need for hydrogen fuel, which is currently available at only about 50 stations in California. MPGe fuel economy is rated at 61 mpg city/52 highway/57 combined using the electric battery and compressed hydrogen fuel.

Honda 71

Honda Hydrogen Plug-in Hybrid 71

Green Car Congress

MARCH 9, 2015

The Golf SportWagen was also the basis for the hydrogen fuel cell Golf SportWagen HyMotion concept shown at the LA Auto Show last November. All the powertrains deliver comparable or more power along with improvements in fuel economy. Quick comparison of fuel economy and cargo. Earlier post.).

MPG 150

MPG Diesel America Fuel 150

Green Car Congress

MARCH 6, 2014

Lightweight design and fuel economy measures. New gearing concept. Depending on the rpm, this shifts the center of gravity and also allows comfortable vehicle operation in the most fuel-efficient operating range. Oil supply concept accounts for 54% of fuel savings potential. ECO start/stop is standard.

Mercedes 312

Mercedes Fuel Oil Fuel Economy 312

Green Car Congress

MAY 4, 2015

kg), for a power-to-weight ratio of 478 W/kg; by comparison, Wrightspeed’s new Fulcrum microturbine offers a power-to-weight ratio of 750 W/kg. There have been a number of problems with automotive applications of turbines, Wright noted, among them fuel economy and efficiency, and cost. Earlier post.).

Range 150

Range Extended Range Gas-Electric Electric 150

Clean Fleet Report

APRIL 2, 2023

The Streamliner concept comes to life with a side profile that is like nothing else on the road. Our focus is on vehicles that offer the best fuel economy in their class, which leads us to emphasize electric cars, plug-in hybrids, hybrids and diesels. Spoiler alert; spoiler alert Streamliner Silhouette Character. Sharp looks.

Hyundai 79

Hyundai All-Electric Miles Range 79

Green Car Congress

APRIL 29, 2011

Pinnacle says its engine achieves 30-50% better fuel economy in various drive cycle comparisons without the large cost penalty that can be associated with significant fuel economy improvement. The adiabatic engine guys in the 80s had the same concept—keep the heat in [for more efficiency].

Engine 218

Engine 2013 Market Vehicles 218

Green Car Congress

JULY 14, 2014

Although Chevy emphasizes the benefits of the 2500HD with the bi-fuel option as a full dual fuel vehicle with a combined range of up to some 650 miles, in more than 500 miles of driving over the course of a week, we used mainly only natural gas. The only reason we used gasoline was for comparison; it wasn’t necessary.

Silverado 247

Silverado Chevrolet Fuel Gasoline-Electric 247

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. Appendix B: Car of the Future: A Comparison of Alternative Vehicles.

PHEV 150

PHEV Plug-in Renewable Energy 150

Green Car Congress

APRIL 23, 2015

Increased charge sustaining fuel economy. Out of this, the GM team selected several systems for more intensive study and comparison with two benchmark systems from other OEMs. Comparison of Gen 1 and Gen 2 Voltec drive units. For the second-generation, GM wanted to enhance the electric performance of the Volt.

Volt 150

Volt GM 2016 Extended Range 150

Tony Karrer Delicious EVdriven

JANUARY 15, 2009

EV Technical Files :Some handy info on the EV Album website EPA Fuel Economy :complete list of the EPA fuel economy results for recent years MotorPerformance Data : Graphs and drawings of Baldor, GE, and PrestoliteEV motors. DeepCycle Battery FAQ : Everything you need to know.

Conversion 28

Conversion Midget Motors Taylor-Dunn DC 28

Tony Karrer Delicious EVdriven

APRIL 16, 2009

GM says it is already looking ahead to the next generation of Volt-based vehicles — it unveiled the Cadillac Converj concept in January — and says costs will come down as the technology spreads to more models. That way you have a fair basis of comparison, you know, apples to apples and all that jazz. Posted by: Nick K. |

Volt 41

Volt GM Chevrolet EV1 41