I have personally used E85 fuel in my 1997 Dodge Grand Caravan and have found it to run much better then with regular fuels. I would have to say yes in moderation.
Look for a sticker inside the gas door, or call your local dealer with the vin number to have them check.
The 2006 Dodge Grand-Caravan runs on regular unleaded.
The 2011 Dodge Grand-Caravan runs on flex-fuel (FFV).
The 2012 Dodge Grand-Caravan runs on flex-fuel (unleaded/E85).
The 2014 Dodge Grand-Caravan runs on flex-fuel (unleaded/E85).
The 2013 Dodge Grand-Caravan runs on flex-fuel (unleaded/E85).
The 2010 Dodge Grand-Caravan runs on flex-fuel (unleaded/E85).
The 2002 Dodge Grand-Caravan runs on flex-fuel (FFV).
A 1997 Dodge Caravan is fuel injected, not carbureted.
In the fuel tank
Green
20 gallons
The Dodge Caravan doesn't use an inertia switch. The fuel pump is controlled by a relay.