Clean High-Efficiency
Diesel Engine VI
Consortium


CHEDE VI logo website

Contact Information

Charles Roberts, Ph.D.
Institute Engineer
Engine, Emissions and Vehicle Research
(210) 522-5521
croberts@swri.org

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Several fully equipped engine development test cells are dedicated for CHEDE VI use.


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Members of the consortium are able to interact with other OEMs and component suppliers.


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Logos of CHEDE-VI Consortium Members


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Video about the Clean High-Efficiency Diesel Engine VI Consortium


Building on the more than 20 years of the industry's longest running diesel research consortium, the Clean High-Efficiency Diesel Engine VI (CHEDE-VI) Consortium began in November 2011.

This program is pursuing the world's most efficient engines to meet the needs of industry 5 to 10 years into the future. The four-year multi-client consortium includes consideration of worldwide markets and technology impacts on each. Goals include research and demonstration of technologies to achieve 55% engine-system efficiency

  • Engine goal of approximately 48% BTE
  • Plus waste energy recovery of 55% BTE total

CHEDE VI Three Main Areas of Concentration

  1. Advanced Heavy-Duty Engine Research
    Goals:  Research and demonstration of technologies to achieve 55% engine-system efficiency (engine goal ~48% BTE, plus waste energy recover =55% BTE total)
  2. Advanced Non-Road Engine Research
    Goals:  Engine efficiency improvements of >10%, to achieve ~45% BTE with engine technology to allow simplified aftertreatment, robustness to off-road operation, strong transient capability, and cost effectiveness.
  3. Advanced Light-Duty Engine Research
    Goals:  Multiple paths that include cost effective LD diesel system, opening new potential for diesels in LD gasoline markets (drive-cycle efficiencies 10% better than premium gasoline), emission solution to meet U.S. SULEV, and CO2-minimized diesel for Euro-VI and beyond.

Specific Clean High-Efficiency Diesel Engine Research Areas

  • Combustion systems
  • Turbocharging
  • Waste heat recovery
  • Advanced friction reduction
  • Energy management and hybridization
  • Aftertreatment

On-Site Clean High-Efficiency Diesel Engine Facilities

  • 15.0L test bed
  • 6.8L test bed
  • 1.6L test bed with HIL hybrid
  • 0.4L single-cylinder VCR test bed
  • Optical combustion bomb
  • High-pressure spray laboratory

Past technologies have included cooled EGR, fuel effects, LNT-integration, VVA, Full-range HCCI, Stoich-diesel, LD cold-start, and SCR integration. The consortia celebrate 17 awarded patents and an additional ten patents in progress. Participants in the diesel consortium receive royalty-free license to use all patents resulting from the program.

CHEDE Consortium Membership and Benefits

  • Interested companies may join the CHEDE VI Consortium at any time during the four-year program
  • Annual membership is $120,000 USD, OEMs; $70,000 USD, Suppliers
  • A yearly renewable contract is offered to members
  • The impact of the yearly contribution is multiplied by the number of participants
  • SwRI's internal research program involving control algorithms and modified combustion concepts will be shared with Consortium members
  • SwRI will aggressively pursue patent applications for technology developed during the CHEDE VI program
  • Consortium participants will receive a royalty-free license to use the technology

Related Terminology

clean diesel engine technology  •  NOx reduction  •  particulate reduction  •  exhaust gas recirculation  •  EGR  •  heavy-duty diesel engine  •  diesel engine emissions

Benefiting government, industry and the public through innovative science and technology
Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.
12/28/12