I find that the difference in MPG when using higher octane becomes more apparent with more displacement. The larger American V8's I find will gain 10-15 HP with higher octane fuel. That extra power through the RPM range technically could allow the engine to operate more efficiently if you don't...
Get some Leather Cleaner and Leather Conditioner from Adam's Polishes! The conditioner smells amazing! It actually smells like leather and helps to retain that "like new" leather smell. Besides that it works very well to soften the leather to prevent cracking and creasing.
Looks like the new body style 2015 Cruze will hit the market in Fall 2014, with a longer wheel base, a slightly more sleek body and new head/tail lights. I like the look of the new head lights for sure but it's tough to call how the body will look with all that camo. I suppose that's the point...
You will find however that the fuel economy is not as good with E-85 as it is with regular unleaded. It all comes out in the wash and ends up being the same cost.