Advanced Engine Development Techniques
B J Challen IMechE Seminar AutoTech 1985
Some Diesel Engine Sensors
B J Challen SAE 871628   1987

ISATA Keynote 88010 Florence, May 1988
Electronic Powertrain Control
B J Challen
ISATA Keynote speech 89006
Florence, May 1989
Computer Aided Engineering in Powertrain Design
B J Challen
ISATA Keynote speech 900306
Florence, May 1990
International Quality Systems - What is this ISO 9000?
B J Challen
SAE 920838 1992
Computational Tools in Powertrain Research, Development and Design 
B J Challen
ISATA Keynote 88010 Florence, May 1988
Engine Management Systems
B J Challen
Leeds University Course Lecture, 1994
Practical and Analytical Studies in Powertrain and Vehicle Refinement
C G Knowland, B J Challen, R A Farnell
SAE Noise and Vibration Conference
SAE 951295  1995
System engineering approaches
B J Challen
SAE TOPTEC Electronic Engine Controls
October 1995
Electronic Diesel Management Systems
B J Challen
Leeds University Course Lecture, 1997--2000
Software design and operation challenges in the automotive environment
B J Challen and R K Stobart
IFAC AARTC April 1997
Prediction of vehicle radiated noise
L Pilo, B J Challen and F Gamba
SAE Noise and Vibration Conference
SAE 971985   1997
Engineering Systems in Automotive Electronics
B J Challen
Phillips 2^nd Automotive Symposium (Keynote)
September 1997