Bibi Tyron: Carbon fiber is expensive. Also, lighter is not always better because it may come at a decrease in strength. It is true that carbon fiber is usually engineered to be very strong, though. So the reason is mainly cost. I would guess that race cars definitely use carbon fiber.
Stormy Beliard: Yes, but it is expensive and requires laying up in a mold and baking for a time. Fiberglass is enough of a problem in auto making and it does not require baking. Steel for bodies is stamped out at the rate of one or more a minute If a car maker is making 100,000 vehicles in a plant in a year (as one website mentioned) that is 50 per hour in a 50 week, 40 hr/week production run.
Carolin Southers: Carbon fiber body would raise the price by many tens of thousands of dollars. .
Elden Dedon: well surely you must realize that carbon fiber is a much more expensive material than steel or aluminum, and metals are a lot easier and cheaper to form into the de! sired shape required for car panels. Some cars do have carbon fibre bodies, such as the aston martin one77, and it only costs about $AU1.3 million.
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