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U. Wisconsin team reports gross indicated thermal efficiency of RCCI operation near 60%

Green Car Congress

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. Earlier post.). —Splitter et al.

Wisconsin 309
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University of Wisconsin Researchers Investigating Dual-Fuel (Gasoline and Diesel) Partially Premixed Combustion for High-Efficiency, Ultra-Low Emission Combustion; 53% Thermal Efficiency

Green Car Congress

The dual-fuel PCCI strategy showed thermal efficiency of 53%. Emissions under the dual-fuel concept, at 11 bar IMEP. The horizontal axis shows the percentage of gasoline in the blend. Here, the potential for fuel economy improvement would even be larger than in diesel truck engines. Source: Rolf Reitz. Rolf Reitz.

Wisconsin 225
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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

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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 Very low fuel consumption, NO x , and PM emissions were measured. Background.

Gasoline 304
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Delphi and partners advancing with high-efficiency, low-emission gasoline compression-ignition combustion

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In 2010, The US Department of Energy (DOE) selected Delphi, along with partners Hyundai America Technical Center, Inc (HATCI); Wisconsin Engine Research Consultants (WERC); and the University of Wisconsin-Madison (UW) for a $7.48-million million grant to develop and to demonstrate a new high-efficiency vehicle concept. Earlier post.)

Gasoline 236
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UW Madison chemists discover new way to harness energy from ammonia

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A research team at the University of Wisconsin–Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels. Ammonia has been burned as a fuel source for many years. However, burning ammonia releases toxic nitrogen oxide gases.

Energy 418
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Delphi Receives Grant Offer From the Department of Energy for Gasoline Direct Compression Ignition Technology

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A key strategy for achieving the project goals will be a pioneering low-temperature gasoline combustion system that could help significantly improve light-duty vehicle fuel economy. Hyundai, the world’s fourth largest automaker, has declared GDi among its key technologies to lead the industry in fuel economy.

Gasoline 170
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A pathway to gasoline compressed ignition using naphtha fuels; higher efficiency, lower cost

Green Car Congress

A new study by Dr. 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., spark ignited, SI) by running it in compression ignition mode with naphtha fuels. Broadly, this approach is termed Gasoline Compression Ignition (GCI).

Gasoline 210