And yet, vinyl is waaaay more fragile. Scratches easily, requires cleaning, which if done improperly, can damage the record. CDs can be copied, with no degradation. More and more, Ipods and flash drives are seeing their way into our car stereos, but before that, I never carried an original CD in my van.
On a side note, I ran across an ill fated idea when I was a kid. It was a under dash device that played 45 rpm records, made by RCA.