Green Car Congress

FEBRUARY 25, 2014

The demonstrator will be present at the upcoming SAE 2014 High Efficiency IC Engine Symposium in Detroit in April; SwRI engineers are presenting a paper (2014-01-1190) at the SAE 2014 World Congress on the development of the demonstrator’s engine. As will be presented at SAE World Congress, SwRI engineers modified the 2.0-liter

Fuel Economy 277

Fuel Economy Engine Fuel Economy 277

Green Car Congress

APRIL 25, 2016

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. mpg at DSF versus 17.34 mpg at V8 mode.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

Green Car Congress

FEBRUARY 20, 2012

A recent, independent, third-party test of a Thomas Built Buses Saf-T-Liner C2 against an IC Bus™ CE Series found that the SCR technology in the Thomas Bus delivers 7-27% better fuel economy than the EGR technology in the IC bus and, when factoring in the cost of diesel exhaust fluid (DEF), is the more cost-effective choice.

Fuel Economy 210

Fuel Economy Economy Fuel Exhaust 210

Green Car Congress

JANUARY 19, 2014

Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.

Exhaust 319

Exhaust Engine Fuel Greece 319

Green Car Congress

MARCH 9, 2020

Power management company Eaton has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fuel economy. This technology enables precise valve lift control through HLA, coupled with engine braking capability, which in turn helps reduce emissions and improve fuel economy.

Eaton 269

Eaton Fuel Economy CO2 Vehicles 269

Green Car Congress

MARCH 22, 2017

l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030.

Fuel Economy 210

Fuel Economy Economy Fuel Price 210

Green Car Congress

AUGUST 19, 2012

Dennis Assanis at the University of Michigan suggests that accessing the “thermodynamic sweet spot” in high-efficiency, dilute, boosted gasoline engines has the potential for vehicle fuel economy gains between 23% and 58%. Their paper is published in the International Journal of Engine Research. —Lavoie et al. Martz and Dennis N.

Fuel Economy 236

Fuel Economy Gasoline Economy Engine 236

Green Car Congress

JULY 23, 2014

Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fuel economy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. Earlier post.)

Fuel Economy 210

Fuel Economy Plug Economy Energy 210

Green Car Congress

MARCH 26, 2015

The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. Test cycle fuel economy (mpg). The Highway Fuel Economy Test (HFET) and FTP-75 Test (city) cycles demonstrated fuel economy above 35 mpg (6.72

Fuel Economy 150

Fuel Economy Economy Diesel Light 150

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

Fuel Economy 150

Fuel Economy Economy Light Fuel 150

Green Car Congress

APRIL 23, 2020

The collaboration work was carried out on a Cummins X15 Efficiency Series 6-cylinder diesel engine, which already offers class-leading fuel economy. The reduction of tailpipe NO x is achieved primarily by optimized exhaust temperature control, resulting in significantly improved conversion efficiency of the aftertreatment system.

Diesel 286

Diesel Emissions Exhaust Engine 286

Green Car Congress

APRIL 26, 2019

At WCX SAE World Congress Experience this year in Detroit, Nissan presented a paper on the development of and technologies applied in the new 2.5L The leeway gained can go towards increasing fuel economy and engine power. Nissan’s Decherd assembly line is using a mirror bore process in the all-new 2019 Nissan Altima 2.5-liter

Nissan 246

Nissan Engine 2019 Fuel Economy 246

Green Car Congress

NOVEMBER 1, 2013

The engineers tested a prototype 100cc engine on a dyno to gather steady-state fuel consumption, emissions, and combustion stability data over a matrix of speed, load, mixture ratio, and combustion phasing. Four engine control modes were evaluated with the goal of reducing NO x and minimizing fuel economy impact.

Fuel Economy 231

Fuel Economy Economy Engine Fuel 231

Green Car Congress

JANUARY 15, 2012

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.

Exhaust 218

Exhaust Diesel West Virginia 2007 218

Green Car Congress

FEBRUARY 7, 2014

liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It Source: Vent et al. Click to enlarge.

Fuel Economy 236

Fuel Economy Mercedes Diesel Fuel 236

Green Car Congress

JULY 12, 2013

Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.

Exhaust 207

Exhaust Canada Environment Emissions 207

Green Car Congress

APRIL 6, 2010

Researchers from the Berner Fachhochschule and EMPA, a Swiss research and services group, are developing a thermoelectric generator for vehicle waste heat recovery that is integrated in the muffler, rather than being installed as a separate thermoelectric generator (TEG) unit on the exhaust line. Click to enlarge. MRS 2010 Spring, DD2.6:

Fuel Economy 218

Fuel Economy San Francisco Economy Exhaust 218

Green Car Congress

NOVEMBER 17, 2013

Ford says the engine can deliver up to 15% better fuel economy than comparable six-cylinder engines. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger.

Louisville 286

Louisville Exhaust Future Fuel Economy 286

Green Car Congress

APRIL 9, 2014

improvement in city fuel economy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. Hydrogen-enriched exhaust is routed to the intake. mpg) and a 9.2%

Gasoline 317

Gasoline Emissions Diesel Exhaust 317

Green Car Congress

JUNE 2, 2014

In addition, the inhomogeneity of the fuel mixture under stratified operation in GDI engines during the compression stroke tends to contribute to higher particulate emissions compared to the exhaust emissions from traditional PFI engines. —Chan et al. Over the FTP-75 phase 1 drive cycle, the GPF reduced BC emissions by 73?88%

Environment 230

Environment Exhaust Gasoline Canada 230

Green Car Congress

SEPTEMBER 28, 2012

The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. TEG & Exhaust System in Lincoln MKT. This follow-on light-duty vehicle project, funded in 2011, has a target of a 5% fuel economy improvement.

Fuel Economy 341

Fuel Economy Energy Waste Vehicles 341

Green Car Congress

FEBRUARY 22, 2018

The found that using a GPF did not show any fuel economy and CO 2 emission penalties, while the emissions of total hydrocarbons (THC), carbon monoxide (CO), and nitrogen oxides (NOx) were generally reduced. Both vehicles were tested over duplicate LA92s and US06 cycles using California E10 fuel. Yang et al. Click to enlarge.

Gasoline 253

Gasoline Emissions Engine Fuel Economy 253

Green Car Congress

MAY 6, 2019

To optimize further the partially premixed combustion mode, they also assessed the combined use of partially premixed combustion mode and EGR (exhaust gas recirculation). Generally, best compromise between fuel economy and emissions can be achieve at 50% or 70% PNPI with EGR fraction of 25% and 90% PNPI with EGR fraction of 15%.

Gas 207

Gas Emissions Engine China 207

Green Car Congress

JANUARY 2, 2019

the E30 and E78—led to statistically significant reductions of 9%–13% for total hydrocarbon (THC); 13%–44% for non-methane hydrocarbon (NMHC); 20%–35% for carbon monoxide (CO); and 17%–36% for nitrogen oxides (NO x ) emissions compared to the high-aromatics E10 fuel. The study found that higher ethanol blends—i.e., Durbin, Kent C.

Pollution 255

Pollution Fuel Vehicles Emissions 255

Green Car Congress

MAY 26, 2017

is a leading resource of technical best practices on the market today for the forming and joining of the newest steels. Applications of AHSS are prolific as auto manufacturers seek to achieve improved safety and fuel economy requirements for their customers. AHSS Guidelines Version 6.0

Fuel Economy 186

Fuel Economy Exhaust Japan 2014 186

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. On the other hand, it is well known that in an internal combustion engine up to 35% of the energy developed by the fuel combustion is dissipated in the exhaust gases. Skarke et al.

Waste 312

Waste PHEV Fuel Exhaust 312

Green Car Congress

APRIL 18, 2016

l/100 km) combined, 47 mpg city and 46 mpg highway; the powertrain shares the transmission architecture with the 2016 Chevrolet Volt extended range electric vehicle (EREV), but includes changes to optimize the system for engine-driven charge-sustaining operation in the range of conditions represented by the US EPA 5 cycle fuel economy tests.

Malibu Hybrid 150

Malibu Hybrid 2016 Chevrolet Design 150

Green Car Congress

JANUARY 28, 2018

Although past studies have provided substantial insight, important gaps remain in our understanding of SOA formation from gasoline vehicle exhaust due to changing engine technology and emissions certification standards. Finally, we evaluate the use of an OFR as screening tool for SOA production from on-road gasoline vehicle exhaust.

Standards 170

Standards Production Exhaust Gasoline 170

Green Car Congress

AUGUST 8, 2017

Compression ignition combined with a supercharger will improve fuel economy while delivering tremendous engine response and increased torque of 10–30% over the current SKYACTIV-G gasoline engine. Earlier post.). Earlier post.). Yamasaki, Y., Umahashi, S., Uesugi, Y.,

Mazda 186

Mazda Gasoline Fuel Economy Gasoline-Electric 186

Green Car Congress

APRIL 17, 2013

At SAE World Congress in Detroit, Honda engineers presented several papers on the development of the new Accord plug-in hybrid, describing work on the new gasoline engine (which will also be featured in the coming full hybrid version of the Accord), and the development of the new two-motor system. Valve train (exhaust). VTEC & e-VTC.

Honda 296

Honda Plug-in Plug Hybrid 296

Green Car Congress

JANUARY 15, 2014

The California Air Resources Board (ARB) has adopted new LEV III emissions regulations which go into effect in 2015, requiring automakers to further reduce evaporative emissions. However, these approaches increase the backpressure, reducing horsepower and fuel economy. It is also a tamper-proof solution.

Emissions 207

Emissions Fuel Economy Ozone Conversion 207

Green Car Congress

JANUARY 28, 2016

The automotive catalytic converter, developed in the early 1970s primarily by General Motors and BASF/Engelhard and first deployed in 1975, changes exhaust pollutants into CO 2 , water vapor and nitrogen. Further advancements in automotive fuel economy. Engine designs for fuel economy can result in reduced exhaust temperatures.

GM 150

GM Supplies Companies South Africa 150

Green Car Congress

JANUARY 5, 2015

Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. In 2012, GM Ventures made an equity investment in Tula; in 2013, Tula engineers presented a paper on their technology at the 2013 SAE World Congress. Wilcutts et al. Click to enlarge. Wilcutts, M., Switkes, J.,

GM 150

GM Engine Fuel Fuel Economy 150

Green Car Congress

MARCH 14, 2009

Researchers at the US Department of Energy’s Argonne National Laboratory’s Center for Transportation Research have devised new variable combustion strategy for hydrogen-fueled engines using the Lab’s Modular Automotive Technology Testbed (MATT). SAE 2009-01-1418 ) (Not yet published, to be presented at SAE World Congress April 2009.)

Hydrogen 150

Hydrogen Engine Fuel Fuel Economy 150

Green Car Congress

JUNE 15, 2014

outboards—release one-fifth of the carbon monoxide emissions of a four-stroke engine at idle and are compliant with stringent US Environmental Protection Agency (EPA), European Union (EU), and California Air Resources Board (CARB) 3-Star ultra-low emissions standards.

Cleaner 225

Cleaner Wisconsin 2002 Fuel Economy 225

Green Car Congress

MAY 6, 2015

G will operate exclusively on natural gas (CNG or LNG) utilizing Cummins Westport’s proprietary spark-ignited, stoichiometric combustion with cooled exhaust gas recirculation (SEGR) technology, first introduced with the 8.9-liter g/bhp-hr PM and 2016 US greenhouse gas and fuel economy regulations. The ISB6.7 liter ISL G.

Gas 150

Gas Engine North Carolina Exhaust 150

Green Car Congress

JUNE 29, 2013

Rolf Reitz of the University of Wisconsin found that reactivity controlled compression ignition (RCCI) ( earlier post ) in a light-duty engine can meet Tier 2 Bin 5 NO x levels without aftertreatment, while offering a 4% improvement in fuel consumption and 7.3% Earlier post.). —Kokjohn and Reitz. Sage L Kokjohn and Rolf D.

Light 207

Light Engine Wisconsin Fuel Economy 207