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Projects: Projects for Investigator
Reference Number S0020/T3
Title Heavy duty diesel, cycle by-pass prevention strategy
Status Completed
Energy Categories Energy Efficiency(Transport) 100%;
Research Types Applied Research and Development 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 50%;
Sociological economical and environmental impact of energy (Environmental dimensions) 40%;
Sociological economical and environmental impact of energy (Consumer attitudes and behaviour) 10%;
Principal Investigator Project Contact
No email address given
Lotus Engineering
Award Type Standard
Funding Source DfT
Start Date 01 April 2001
End Date 01 May 2001
Duration 1 months
Total Grant Value £49,352
Industrial Sectors Transport
Region East of England
Programme DfT Cleaner fuels and vehicles
Investigators Principal Investigator Project Contact , Lotus Engineering (100.000%)
Web Site
Objectives The objective of this research was to review the engine management systems used on heavy-duty diesel engines and to provide a comprehensive engineering assessment of the potential for those systems to be equipped with an embedded activity recorder. This assessment included technical feasibility, system security and cost implications.
Abstract Compliance of an engine to the regulated emissions standards is assessed using a defined drive cycle. It is theoretically possible for the development of technical strategies designed for heavy-duty diesel engines to pass the test cycle but deliver improved fuel efficiency when in use – in response to consumer pressure. This would be at the expense of significant increases in regulated pollutants. Research indicates that for these engines, a fuel consumption reduction of 5–10%can result in a typical penalty of a 25–50% NOx increase. A solution to this could be to require that future engine management systems could be interrogated by national authorities to identify in-service engine maps. This would enable detection of any cycle-beating strategies.
Publications (none)
Final Report (none)
Added to Database 07/02/08