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Groover's avatar
Groover
Explorer II
Feb 06, 2023

25% better mpg from current diesels? Too good to be true?

Engine Builder magazine is reporting on a new piston design by Speed of Air® (SoA) Engine Technologies that claims to improve the fuel economy of the three leading pickup diesels by 25%. It obviously...
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RetiredRealtorR's avatar
RetiredRealtorR
Explorer
Feb 06, 2023
fj12ryder wrote:
opnspaces wrote:
25% is a huge boost in economy. I don't know if diesel's are figured into the manufacturers Corporate Average Fuel Economy (CAFE) or not. But if they can come out with a piston top that gives 25% more economy for a gasoline engine the manufacturer's jump all over that.
You mean like they did with the 200 mpg carburetor? :)


Yup, much the same --- some big oil company will buy the technology and patents and set it on a shelf. Done.

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