Green Car Congress

AUGUST 3, 2009

Researchers at the University of Wisconsin, led by Dr. Rolf Reitz, are investigating a blended dual-fuel (gasoline and diesel) concept to extend the operating range of partially premixed charge compression ignition combustion by using the varying fuel reactivity of the charge blend, which is determined in real time. Source: Rolf Reitz.

Wisconsin 225

Wisconsin Gasoline Diesel Universal 225

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.

Cleaner 225

Cleaner Wisconsin 2002 Fuel Economy 225

Green Car Congress

FEBRUARY 8, 2016

The process involves introduction of a low reactivity fuel into the cylinder to create a well-mixed charge of low reactivity fuel, air and recirculated exhaust gases. Among their findings was that E20 offers higher peak load capability and thermal efficiency than gasoline.

Gasoline 150

Gasoline Wisconsin Exhaust Emissions 150

Green Car Congress

MARCH 20, 2015

The US Environmental Protection Agency (EPA) has awarded $8 million to communities in 21 states and Puerto Rico to reduce emissions from the nation’s existing fleet of diesel engines through the agency’s Diesel Emission Reduction Act ( DERA ) program. Illinois, Indiana, Michigan, Minnesota and Wisconsin. Delaware and Virginia.

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Puerto Rico EPA Clean Cleaning 150

Green Car Congress

JUNE 4, 2009

Researchers at Oak Ridge National Laboratory (ORNL) are investigating mechanisms for extending the efficiency of combustion engines closer to their theoretical potential. Today’s engines can deliver a fuel efficiency of 40-42%, with corresponding loss of initially available fuel energy of 58-60%. Stuart Daw. Click to enlarge.

Engine 150

Engine Exhaust Concept Universal 150

Green Car Congress

SEPTEMBER 18, 2015

Eight projects are aimed at improvements including developing and demonstrating dual-fuel or dedicated natural gas engine technologies for high-efficiency medium and heavy-duty vehicles to reduce petroleum usage and developing advanced computational fluid dynamics models to accelerate the development of advanced engine technologies.

Fuel 150

Fuel Carbon Fiber Lithium Ion Vehicles 150

Green Car Congress

JANUARY 5, 2015

Their paper is published in the International Journal of Engine Research. However, if an engine has to switch to conventional diesel combustion (CDC) operation during high engine loads, the engine out NO x will be very high and quickly can degrade the NO x reduction potential of a multi-mode RCCI strategy, they found.

Fuel Economy 150

Fuel Economy Economy Light Fuel 150

Green Car Congress

OCTOBER 25, 2010

Turbocharged HCPC engine scheme. A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines.

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Concept Diesel San Diego 2010 318

Green Car Congress

MAY 4, 2009

The research projects will contribute to the development of high efficiency internal combustion engines with the goals of improving fuel economies by 20-40% in light-duty vehicles and attaining 55% brake thermal efficiency in heavy-duty engine systems. Tags: Engines Fuel Cells.

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Emissions Wisconsin Michigan Houston 150

Green Car Congress

APRIL 17, 2014

In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Earlier post , earlier post.). Background. Earlier post.) DOE UFEV program targets.

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Gasoline Engine Fuel Wisconsin 304

Green Car Congress

AUGUST 16, 2016

will design and develop a new more-efficient engine and advanced drivetrain and vehicle technologies. will design and develop a vehicle and powertrain with electrified engine components that can enable higher engine efficiency and a significantly more aerodynamically reengineered cab. Texas A&M Engineering Experiment Station.

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Vehicles Plug-in Lithium Ion Universal 150

Green Car Congress

AUGUST 10, 2011

The selections announced focus on eight approaches to improving vehicle efficiency: Advanced fuels and lubricants : Eight projects awarded to improve fuels and lubricants that will enable optimal performance of advanced combustion engines. Wisconsin Engine Research Consultants LLC. Advanced fuels and lubricants.

Carbon Fiber 268

Carbon Fiber Lithium Ion Li-ion Vehicles 268

Green Car Congress

APRIL 29, 2013

In a paper presented at the 2013 SAE World Congress, a team from the University of Wisconsin reported a gross indicated thermal efficiency of Reactivity Controlled Compression Ignition (RCCI) operation of near 60%, given optimized combustion management and thermodynamic conditions. bar IMEP an engine speed of 1,300 rpm. The 60% study.

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Wisconsin Congress 2013 Fuel 309

Green Car Congress

MAY 28, 2009

General Motors last week again highlighted the progress it is making with advanced HCCI (homogeneous charge compression ignition) gasoline engines by showcasing a demonstrator unit. Najt, then at the University of Wisconsin, and David Foster published the first study of a gasoline-fueled four-stroke HCCI engine in 1983.).

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Range GM 2009 Engine 150

Green Car Congress

JUNE 19, 2013

Preliminary results from a new study by a team from Oak Ridge National Laboratory (ORNL) and the University of Wisconsin suggest that the fuel properties of moderate biofuel blends such as E20 and B20 increase the benefits of the use of Reactivity Controlled Compression Ignition (RCCI). Earlier post.). Earlier post.). —Hanson et al.

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Light Engine Gasoline Wisconsin 207

Green Car Congress

OCTOBER 13, 2012

Researchers at the US Army Research Laboratory’s (ARL) Combustion Research Laboratory are working to develop engines optimized to run on JP-8 for use in military ground vehicles, stationary power generators, and small unmanned aerial vehicles. combustion in a piston engine. cetane index of 40 that present special challenges for.

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Engine Design Fuel Diesel 236

Green Car Congress

AUGUST 5, 2010

Researchers at the University of Wisconsin led by Dr. Rolf Reitz are developing a dual-fuel compression engine combustion strategy called reactivity controlled compression ignition (RCCI) to simultaneously reduce fuel consumption and regulated emissions of NO x and PM. Earlier post.). Reduced heat transfer losses.

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Fuel Wisconsin San Diego Exhaust 249

Green Car Congress

JUNE 19, 2015

ARPA-E’s TERRA program uniquely integrates agriculture, information technology and engineering to address major global challenges in developing crops that are sustainable, affordable and yield abundant plant feedstocks for bioenergy. The team will further increase the system’s efficiency by using low friction engine components.

Transportation 150

Transportation Energy West Virginia Engine 150

Green Car Congress

NOVEMBER 19, 2020

The coating will enable a significant increase in upper use temperature for turbine engine blades and increased engine efficiency. Texas A&M Engineering Experiment Station. University of Wisconsin-Madison. University of Utah. Additive Manufacturing of Ultrahigh Temperature Refractory Metal Alloys- $650,000.

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West Virginia Gas-Electric Virginia Universal 207

Green Car Congress

MAY 3, 2011

Representation of the limited operating range of robust HCCI operation in a conventional 4-stroke SI engine. Broadening LTHR and HTHR, and reducing the maximum rate of pressure increase during LTHR and HTHR, increases the operating range of a HCCI engine. The team explored the configurations in a single-cylinder four-stroke engine.

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GM Exhaust Engine Gasoline 218

Green Car Congress

APRIL 25, 2012

Engine test results with one of the five injectors for 1500rpm-2bar IMEP, 1500 rpm-3bar IMEP, and 1500 rpm-6bar IMEP. Sellnau reported results derived from testing on a single-cylinder research engine. Measurements of exhaust particulate size distribution showed that very low PM emissions could be obtained with this combustion system.

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Gasoline Emissions Exhaust Wisconsin 236

Green Car Congress

APRIL 18, 2011

Achates Power, the developer of a two-stroke, compression-ignition (CI) opposed-piston opposed-cylinder (OPOC) engine ( earlier post ) is now “concept-ready”, David Johnson, Achates Power CEO, told GCC in an interview at SAE 2011 World Congress in Detroit. The Achates engine. —Johnson et al.

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Engine Concept Power Powered 199

Green Car Congress

JUNE 25, 2016

Researchers at Tsinghua University, along with Professor Rolf Reitz at the Engine Research Center, University of Wisconsin-Madison, have investigated for the first time the the characteristics of homogenous charge compression ignition (HCCI) of polyoxymethylene dimethyl ether (PODE). Click to enlarge. Wang et al. Click to enlarge.

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Diesel Fuel Gasoline Wisconsin 150

Green Car Congress

AUGUST 4, 2016

We’re further analyzing the soot to learn more about its potential impacts on light-duty engines and air quality. L diesel engine modified to operate in the RCCI combustion mode. The modified piston yielded an increase in both combustion efficiency and indicated efficiency for RCCI operation in single-cylinder engine experiments.

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Diesel Engine Emissions Light 150

Green Car Congress

MAY 2, 2014

Gautam Kalghatgi and his colleagues at Saudi Aramco provides further support a pathway for significant improvements in the efficiency of a gasoline engine (i.e., They have changed the base SI engine by increasing the compression ratio to 15, designing a new injection system and injectors and redesigning the combustion chamber.

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Gasoline Fuel Light Diesel 210

Green Car Congress

DECEMBER 10, 2015

Researchers at the University of Wisconsin-Madison have investigated blending the benefits of reactivity controlled compression ignition (RCCI) and gasoline compression ignition (GCI) using QuantLogic’s novel adaptive dual-fuel injector which is capable of direct injecting both gasoline and diesel fuel in a single cycle. Earlier post.)

Wisconsin 150

Wisconsin Engine Fuel Gasoline 150

Green Car Congress

JULY 17, 2015

The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. The PHEV (Plug-in Hybrid Electric Vehicle), a subset of the electric car, combines a primary electric motor with a much smaller back-up engine fueled with a hydrocarbon/biofuel mix. (In Engineering Advantages of PHEV.

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PHEV Plug-in Renewable Energy 150

Green Car Congress

APRIL 10, 2010

states (Illinois, Iowa, Kansas, Michigan, Minnesota, and Wisconsin) and one Canadian province (Manitoba). For offsets to be credible, a ton of CO 2 -equivalent emissions from an offset project should equate to a ton reduced from a covered emission source, such as a smokestack or exhaust pipe. In 2015–nearly 90% of emissions.

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Gas Climate Change Emissions Climate 244