Toyota Prius c 2014 Owner's Manual page 109

■
Fuel types
Unleaded gasoline (Octane rating 87 [Research Octane Number 91] or
higher)
■
Use of ethanol blended gasoline in a gasoline engine
DO NOT use gasoline
containing more than 15%
ethanol.
(30% ethanol)
(50% ethanol)
(85% ethanol)
●
Make sure that the ethanol blended gasoline to be used has a suitable
Research Octane Number as outlined in "Fuel types".
●Use only gasoline containing up to 15%
ethanol.
DO NOT use any flex-fuel or gasoline
that could contain more than 15% etha-
nol, including from any pump labeled
E30, E50, E85 (which are only some
examples of fuel containing more than
15% ethanol).
1-6. Refueling
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