Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Vacuum engine to improve fuel efficiency? (after burner engine)

Tahoe_Hybrid · 02-02-2020, 10:56 PM

why don't cars have Vacuum engines? post Cat to recapture lost energy?

like the Engine Flame Dancer

02-02-2020, 10:56 PM	#1 (permalink)
Tahoe_Hybrid Master EcoModder Join Date: May 2019 Location: California Posts: 513 2020 - '08 Chevy Tahoe H Last 3: 18.4 mpg (US) 2021 - '08 Chevy Tahoe H 90 day: 17.08 mpg (US) 2022 - '08 chevy Tahoe LT Last 3: 14.38 mpg (US) 2023 - '08 Chevy Tahoe Last 3: 22.61 mpg (US) 2024 - '08 Chevy Tahoe 90 day: 22.35 mpg (US) Thanks: 2 Thanked 105 Times in 96 Posts	Vacuum engine to improve fuel efficiency? (after burner engine) why don't cars have Vacuum engines? post Cat to recapture lost energy? like the Engine Flame Dancer Attached Thumbnails Last edited by Tahoe_Hybrid; 02-02-2020 at 11:02 PM..