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Diesels and EGR
I have been reading up on EGR and mpg and it seems to help in gasoline engines. It makes the engine act like a smaller engine and reduces pumping losses. There is less vacuum working against the throttle plate so the engine is more efficient at part throttle. A diesel doesn't have a conventional throttle plate so does EGR help mpg or efficiency on a diesel??
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60 mpg hwy highest, 50+mpg lifetime
TDi=fast frugal fun 
https://ecomodder.com/forum/showthre...tml#post621801
Quote:
Originally Posted by freebeard
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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