Tons
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On 12/31/08 there were: 379,898 cars registered in San Francisco County 61,755 trucks registered in San Francisco County 20,144 motorcycles registered in San Francisco County 8,536 trailers registered in San Francisco County 470,333 Total number of vehicles registered This number is increased by approximately 35,000 vehicles during the day
No information online says exactly how many vehicles are actually registered in the state of Missouri. Such a report does not seem to exists.
There were 297,598 registered passenger vehicles in Lane County in 2009. Eugene-Springfield Metropolitan Area makes up a vast majority of Lane County. A safe guess would be in the 220,000 to 250,000 area.
750,000,000
In Europe there are around 40,000,000 vehicles registered. 80 percent of the vehicles in the world are located in Europe.
Precisely 4.238956
Seven
3,599,242 registered vehicles,
5.8 million
1000000000
About 2.5 million.