Thread: Engine insulation for hybrids to improve fuel economy
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Old 12-01-2022, 10:04 AM   #73 (permalink)
Isaac Zachary
High Altitude Hybrid
 
Join Date: Dec 2020
Location: Gunnison, CO
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Avalon - '13 Toyota Avalon HV
90 day: 40.45 mpg (US)

Prius - '06 Toyota Prius
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Mineral wool. Super wool. I'm not too sure about ceramic fibers.
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