Green Car Congress

SEPTEMBER 21, 2011

The pair has received $850,000 in grants to support the fabrication and testing of a prototype of the K6 engine; Shedd says he expects to have a prototype running by late fall or early winter. The engine incorporates a modified Brayton cycle ( earlier post ) into a continuous combustion engine system. —Timothy Shedd.

Engine 186

Engine Diesel Standards Exhaust 186

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

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.

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Puerto Rico EPA Clean Cleaning 150

Green Car Congress

DECEMBER 8, 2014

Researchers at the University of Wisconsin-Madison have used computational fluid dynamics modeling to investigate cycle-to-cycle instability of homogeneous charge compression ignition (HCCI) and reactivity-controlled compression ignition (RCCI) engines—two approaches to low-temperature combustion.

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Wisconsin Exhaust Diesel Gas 329

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). Oxygen content and cetane number of oxygenates.

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Diesel Fuel Gasoline Wisconsin 150

Green Car Congress

FEBRUARY 5, 2016

A team at the Engine Research Center (ERC), University of Wisconsin-Madison has demonstrated the viability of reactivity-controlled compression ignition (RCCI) in a two-stroke engine. A paper on their work is published in Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering.

Engine 150

Engine Wisconsin Automobile Gasoline 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.). —Hanson et al.

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Light Engine Gasoline Wisconsin 207

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.). Derek Splitter, Reed Hanson, Rolf Reitz.

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Fuel Wisconsin San Diego Exhaust 249

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. RCCI uses early direct injection (DI) of a high-reactivity fuel such as diesel fuel and a well-mixed low-reactivity fuel such as gasoline or methane.

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Diesel Engine Emissions Light 150

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. designed for Diesel Fuel (DF-2) operating with reduced performance with JP-8.

Engine 236

Engine Design Fuel Diesel 236

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. Both biofuels offered faster transient response to recover the CA50 to the steady-state CA50 value than gasoline or ultra-low sulfur diesel.

Gasoline 150

Gasoline Wisconsin Exhaust Emissions 150

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. GDCI uses a high compression ratio with multiple late injection (MLI)—similar to diesel—along with intake boost and moderate EGR for high efficiency with low NO x and PM over the entire speed-load map.

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Gasoline Emissions Exhaust Wisconsin 236

Green Car Congress

JANUARY 5, 2015

Their paper is published in the International Journal of Engine Research. Fuel usage over the drive cycles showed that nearly equal amounts of gasoline and diesel fuel would most likely need to be carried on board for RCCI multi-mode operation, which requires two fuels. RCCI background. earlier post , earlier post ).

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Fuel Economy Economy Light Fuel 150

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.

Engine 199

Engine Concept Power Powered 199

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

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

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

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.

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Carbon Fiber Lithium Ion Li-ion Vehicles 268

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

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

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