According to www.greyhound.com, they have bus fleet of around 1250 buses. The average lifespan of a bus is around 7.2 years.
See the link attached to this question
Greyhound buses differ from school buses in many ways. A Greyhound typically has a much nicer body, reclinable seats, on board bathroom, smoother ride, more space, and even television sets.
There's no Greyhound buses in the HKSAR
Greyhound discontinued service to Aurora Illinois on September 7, 2011.
9
Greyhounds. (???)
The express type buses do have 110 outlets.
Greyhound
One can find the bus fares for Greyhound buses on the Greyhound website. If one changes their travel plans after purchasing tickets one has to pay a $20 fee.
4 buses a day
Greyhound.
no buses from midland
Yes but you have to rsvp