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Old 07-19-2018, 07:09 PM   #42 (permalink)
ksa8907
Master EcoModder
 
Join Date: May 2012
Location: Tampa, FL
Posts: 1,745

Volt, gas only - '12 Chevrolet Volt Premium
90 day: 38.02 mpg (US)

Volt, electric only - '12 Chevrolet Volt Premium
90 day: 132.26 mpg (US)

Yukon Denali Hybrid - '12 GMC Yukon Denali Hybrid
90 day: 21.48 mpg (US)
Thanks: 206
Thanked 420 Times in 302 Posts
Checking in now after 16,000 miles, roughly 4,500 EV and 11,500 ICE.

I have experimented with fuel a little, I see no benefit with premium or ethanol. Actually a loss of mpg above 2gal e85 per tank of 87 octane. One side note here is that the engine will not hold low speed operation in 85+ degree weather on 87 octane, the timing advance retards to less than 2° btdc.

The grille is also not oversized when temps get over 85F, partial block had to be removed. Below 40F the lower opening can be completely blocked.

Great car, i highly recommend it!
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