On what vehicle
3 inches
How far did the umayyads extend their empire
No more than one foot ... 12 inches.
The distance a load can hang past a tailgate depends on local regulations and safety guidelines, as well as the type of vehicle and load being transported. Typically, many jurisdictions allow a load to extend up to 4 feet beyond the tailgate, but any overhang beyond this distance may require additional safety measures, such as flags or lights. It's essential to check local laws for specific regulations and ensure the load is secured properly to prevent accidents.
It depends on the car you are driving, how fast you drive, & the load you are carrying.
Greenhouse gases extend very high. They extend in the troposphere.
Mexico
A system using an air pump and air shocks or air ride to keep the vehicle level no matter the load placed on the vehicle.
As far as it is now.
50 ft
Mexico