It was my first set. I kept them inflated at 42PSI.
The Costco price for a tire was $113. With the current $70 rebate, I paid $95.5 each
Total out of the door in California was $492.28
Treadwear is 640. I don't know why I saw 680 yesterday
The OEMs I had on the car were 400 and the replacement...
I just came back from Costco where I ask to get my tires replaced with the same Ecopia EP422.
The tires are marked Ecopia EP422 PLUS with a 680 treadwear rating so not the same as what was on the car.
Are those PLUS tires the new replacement for the original EP422?
I can't find any information...
take a look at this great excel app
http://www.keepandshare.com/doc/804727/pgerates2-1-xls-september-16-2008-5-15-am-357k?dn=y
It will help you simulate you energy bill using EV and/or PV with E1 , E6 and E9 rates.
In my case , with a 5.0kw system, It will cost less with E9 than E6.
Two...
Here's a spreadsheet that let you simulate what would happen to your electric bill if you use E-1 E-6 or E-9.
You can simulate adding solar panels, driving an EV etc.
It looks like the file came from Tesla and is fairly complex.
It is designed for california rate structure but I guess it can be...