Whether a vehicle has air or hydraulic brakes has no impact on what kind of license is required to operate it in the US.
Generally, the person is a chauffeur if employed to drive a private or rented vehicle.
A wheelchair.
A Commercial drivers licence is the licence to drive any heavy weight vehicle. You do not need a parent in the vehicle with you when you drive on the streets. Although, you do need a parent present when you get your licence, and they have to sign the papers.
If you allow someone to drive your vehicle without a licence, you could have your licence suspended. It is illegal.
No you cannot drive at all without a licence. If you drive any motor vehicle without a licence you will have your future licence application denied, probably for several years.
You need a caegory C licence if the vehicle is over 7.5 tonnes
You need the exact same license to drive an electric vehicle as you do to drive a gasoline vehicle on a public roadway.
When you are chauffeur driven you are taken to a destination in a vehicle being driven by someone else. This person is paid to drive you where you wish to go.
Anyone can drive in the UK provided they have a full and valid driving licence for the vehicle they wish to drive.
You can't drive any class of vehicle that way. If you don't have the licence, or else a permit and an appropriately licenced driver with you, you can't drive it.
No.
Yes, if the vehicle is roadworthy, they are insured to drive it and hold a full licence.