Technical Issues -- On/Off vs Proportional.

Title: 
Technical Issues -- On/Off vs Proportional.
Author/Artist: 
Bernard, Eddie.
Published In: 
GAS News, v. 20, issue 4 (June/Aug. 2009), p. 3.
Subjects: 
Bib ID: 
AI77978
Notes: 
Fuels and combustion.