Not very well...the older cars computer maps for fuel control is based on the air/fuel ratio of gasoline, which is 14.7:1. E85 fuel is lower at 13.85:1. Some aftermarket companies may offer reprogramming of the computer to compensate for E85 fuel. Try a web search...
No. A 1999 Ram is not equipped to run on E85.
Not with out damaging the fuel system.
No.
The 2012 Dodge Durango runs on flex-fuel (unleaded/E85).
The 2010 Dodge Grand-Caravan runs on flex-fuel (unleaded/E85).
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).
Maybe, if it is a 2.7L and there is a E85 sticker inside the gas door. If not no, it would damage the fuel system.
Not unless it is a Flex Fuel vehicle. Read your owners manual.
No, it will damage the fuel system.
No, but the vehicle has to be able to operate on E85.