E85 - new sign on pumps say "min 51%"

[Shotgun!]

Originally Posted by Mark Leasure

The winter blend has been around 70% and the old signs displayed on the fuel pumps said a minimum of 70%. Does anyone know if the winter blend is planned to be lower now? Kind of sucks if it is. I've had the same tune for 4+ years....I guess I can install my ethanol content sensor that I had laying around.

I wouldn't be too worried about weaker blends just yet. The letter of the law has been 51% for at least a few years, now the stickers just match. Could be as simple as that. I found an old post where this was touched on, back in 2012 (the standard of 51% is at least that old):

Originally Posted by Shotgun!

Although it could have been, as stated before, old contaminated E70, the lower limits of E85 seems to be 51% as stated at the .gov website.

http://www.afdc.energy.gov/fuels/ethanol_e85_specs.html