Without a doubt....muffler bearings! The only supplier provided the big3 with them since about 1932.....they cut off their supply to Tucker in 48 and single handedly brought about the demise to that company. Tesla will bring the demise to the muffler bearing monopoly within 13 years.
The next monopoly is valve stem caps......the 2056 model year will see the expiration of Lexus's hover board patent and hover cars will be universally implemented bringing about the demise of this monopoly.
Last edited by Solid LT1; 08-06-2015 at 10:04 PM.
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