Just finished updating, then came to the forum to complain.
I appreciate the update, but have an issue with the calculator. (That's as far as I got checking out your update.) I like the idea of entering E10 mileage and having it calculate the E10/85 mileage, but where did you get the numbers? (based on energy content, which we all complain isn't accurate)
I entered 42 mpg for E10 (premium) mileage, but it's showing 32.55 mpg for E85. I lose about 15% - 20%, yet you're showing -23%? FWIW, you're also showing annual costs of $165 for E10 and $187 for E85, which isn't going to help sales.
If you wanted to make it accurate you'd calculate E85 mileage, but make it an editable field for those that know it. Also, when you replace E10 PREMIUM with E85, the loss is much less and we all know replacing expensive premium with E85 makes sense. Also, if I'm filling with premium, show me the premium price to make the spread more accurate.
Also not sure where the prefilled fuel costs came from since I report on several stations, yet only fill at one. If you have cheap E85 reported, maybe you should tell me where to find it?
Sorry for the rant. Possibly you wanted to make the calculator easy, not accurate?
FWIW, I created the calculator e85vehicles.com used to use and the better one I wanted to you to host again.