http://www.bestonetire.com/page/show...treading-myths
Cost Savings
Tires represent the 3rd largest item in the operating budget, right after labor and fuel costs. A retread tire costs less to produce than a new tire, and is 30% and 50% of the comparable new tire price. Retreaded truck tires represent a savings of over $3 billion dollars annually for truckers and trucking companies in North America.
Recycle Old Tires
You can reuse old tires' casings multiple times. Reusing old tires' casings at least twice reduces tire costs by 50%.
Environmentally Friendly
It takes 22 gallons of oil to manufacture one new truck tire. Most of the oil is found in the casing, which is reused in the retreading process. As a result, it takes only 7 gallons of oil to produce a retread. Considering that the overall tire market for transit and commercial busses is about 430,000 to 470,000 units annually, retreading conserves millions of gallons of oil every year.
While I'm usually not one to ask people to click links. I'd suggest this read.
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You may not believe that retreads would lead to an exponential cost increase for the entire free market, but I beg to differ. It is considered that retreads are half the cost of new tires. So now, if you would entertain my idea for a minute here. Let's find a comparable way for you to experience paying double for something car related. Let's pick gas. For just six months, I'd like you to pay double the price for gas.
Yes, it is just one small thing that shouldn't affect the rest of your life. But I bet that after the first month or so, you're starting to feel your fill ups. Pretty soon I'd even bet that you would debate driving somewhere because you didn't want to fill up sooner than you have to.
While this isn't a perfect analogy, it is one that sort of works. I couldn't use tires because then you would have to drive the same amount as a trucker to really get it. Thus I picked gas, something that you would go through in roughly a similar schedule as truckers go through tires.
EDIT: also, congrats on the 10,000 post.