Exxon Mobile Speedpass+ users can get a free $10 Amazon gift card credit and two free Audible books via the Exxon Mobile Speedpass+ app, possibly only for Android users. Note that I had to update my app to the latest version to see this offer. Since I recently posted about the ability to get $0.10 off per gallon through July 10th with the app (See: Save 10c per gallon through July 10th at Exxon, I figure…
