See also:

Choosing the right fuel
Use only UNLEADED fuel or UNLEADED fuel blended with a maximum of 10% ethanol. Do not use fuel ethanol (E85), diesel, methanol, leaded fuel or any other fuel. The use of leaded fuel is prohibited ...

SAFETY
There's no hunting or digging for Latch connectors in the MKZ. They stuck out from the cushions, so there wasn't any thumb-wrestling with overstuffed cushions to get everyone's child-safety seats ...

Cleaner air
Ford endorses the use of reformulated “cleaner-burning” gasolines to improve air quality, per the recommendations in the Choosing the right fuel section. ...