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

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

MAY 9, 2012

The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.

Fuel Economy 218

Fuel Economy Downsizing Economy Engine 218

Green Car Congress

FEBRUARY 25, 2014

D-EGR is an engine and control concept that combines fuel reforming to produce hydrogen with high levels of exhaust gas recirculation (EGR) to achieve very high levels of thermal efficiency. Engines Fuel Efficiency Vehicle Systems' In 2013, SwRI reported a 2.0-liter other actuators used to enable the control of D-EGR combustion.

Fuel Economy 277

Fuel Economy Engine Fuel Economy 277

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.) —Wes Helgeson, senior research engineer.

Fuel Economy 210

Fuel Economy Plug Economy Energy 210

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 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

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

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 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. liter V8 by operating using Dynamic Skip Fire.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

Green Car Congress

NOVEMBER 1, 2013

For such small vehicle applications, manufacturers are seeking a fuel-efficient means of reducing engine-out NO x to avoid the cost of implementing a 3-way catalyst and closed-loop-controlled fuel injection system. Further, Pinnacle noted, recently developed hardware designed for additional lean limit extension is under test.

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Fuel Economy Economy Engine Fuel 231

Green Car Congress

JANUARY 2, 2019

Their paper is published in the ACS journal Energy & Fuels. Regulated emissions for all test fuels over the cold-start and hot-start LA92 cycles. A fuel economy penalty was also observed for lower energy content E30 and E78 blends compared to both E10 fuels. Data presented as mean ± standard deviation, N=3.

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Pollution Fuel Vehicles Emissions 255

Green Car Congress

FEBRUARY 7, 2014

Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. Stratified charge operation enables sharply reduced fuel consumption when running at lower loads. Click to enlarge. l/100 km (43.6 Source: Vent et al. Click to enlarge.

Fuel Economy 236

Fuel Economy Mercedes Diesel Fuel 236

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

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. Exhaust gas exergy map of EcoCAR engine.

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Waste PHEV Fuel Exhaust 312

Green Car Congress

APRIL 23, 2020

By using dDSF software to control cylinder deactivation in a diesel engine, Cummins and Tula demonstrated significant reductions in emissions and fuel consumption. Like DSF for gasoline engines, dDSF uses individual cylinder deactivation control strategies to meet torque demand at optimal fuel and aftertreatment efficiency.

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Diesel Emissions Exhaust Engine 286

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 Class-exclusive Active Grille Shutters are designed to help improve MKC fuel efficiency at highway speeds.

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Louisville Exhaust Future Fuel Economy 286

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

JUNE 2, 2014

Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.

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

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. mg kg fuel –1 and were significantly higher than previous biomass burning emission estimates.

Exhaust 207

Exhaust Canada Environment Emissions 207

Green Car Congress

FEBRUARY 22, 2018

Testing was conducted over the LA92 and US06 Supplemental Federal Test Procedure (US06) driving cycles on typical California E10 fuel. 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.

Gasoline 253

Gasoline Emissions Engine Fuel Economy 253

Green Car Congress

APRIL 26, 2019

The leeway gained can go towards increasing fuel economy and engine power. This results in better cooling performance and less engine knocking, and the efficiency of the engine as a whole is improved. In the second stage, a special drill bit is used containing tiny bits of diamonds that were unfit for jewelry. The new 2.5L Yoshida, N.

Nissan 246

Nissan Engine 2019 Fuel Economy 246

Green Car Congress

MAY 6, 2019

In a paper in the journal Fuel , Li et al. applied partially premixed combustion mode to a direct-injection natural gas engine based on a 3D model coupled with a dual-fuel chemical kinetic mechanism (n-heptane/natural gas). Fuel , 250, 218-234 doi: 10.1016/j.fuel.2019.04.009. —Li et al. Zhang, Q., Shen, B., & Liu, X.

Gas 207

Gas Emissions Engine China 207

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. SKYACTIV-X even equals or exceeds the latest SKYACTIV-D diesel engine in fuel efficiency. Earlier post.). Earlier post.).

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Mazda Gasoline Fuel Economy Gasoline-Electric 186

Green Car Congress

JANUARY 28, 2018

Now, in a new study published in the ACS journal Environmental Science & Technology , researchers at Carnegie Mellon University have found that secondary organic aerosol (SOA) production from both port fuel injection (PFI) and gasoline direct injection (GDI) vehicles has been substantially reduced through the tightening of NMOG emissions.

Standards 170

Standards Production Exhaust Gasoline 170

Green Car Congress

JANUARY 5, 2015

Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. The operation of each firing cylinder can be optimized for best thermal efficiency, subject to possible constraints such as air-fuel mixture ratio, peak pressures or temperatures (durability), and other factors.

GM 150

GM Engine Fuel Fuel Economy 150

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.)

Engine 253

Engine Fuel Ford Future 253

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. Hydrocarbons in the fuel from the engine can leak out through the air intake system when the car is not running.

Emissions 207

Emissions Fuel Economy Ozone Conversion 207

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

DECEMBER 11, 2020

DE-FOA-0002420 ) This funding opportunity supports priorities in batteries and electrification, advanced engine and fuel technologies, materials, and new mobility technologies. Advanced Combustion Engines and Fuels (Up to $5 million). Similarly, there are benefits to be gained with advanced combustion engine research. million).

Lithium Sulfur 199

Lithium Sulfur Vehicles Energy Storage Affordable 199

Green Car Congress

JANUARY 18, 2014

year plans and roadmaps, with a concomitant focus of the majority of its resources on a limited number of “highest probability of success” pathways/approaches to ensure that the program initiatives are supported at a critical mass (both in terms of dollars and time) for maximum impact. burn and exhaust gas recirculation (EGR)?diluted

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Carbon Fiber Engine Battery Powered Fuel 252

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. D-EGR brake specific fuel consumption (BSFC) at 2000 rpm 2 bar BMEP dropped 14.3%

Gasoline 317

Gasoline Emissions Diesel Exhaust 317

Green Car Congress

JUNE 15, 2014

Bombardier Recreational Products & Vehicles (BRP) has introduced a new two-stroke direct-injection outboard engine that produces up to 75% fewer total regulated emissions, with 15% better fuel efficiency and 20% more torque than leading four-stroke engines: the G2 engines, the next generation of Evinrude E-TEC outboard engines.

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Cleaner Wisconsin 2002 Fuel Economy 225

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

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

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. The extent of fuel-air mixing can be affected by injection system design.

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Climate Engine Carbon Fuel Economy 150