Golf carts aren't allowed on roads and can only be driven on private propery - there are no laws, just rules the golf courses choose on their own. I think 16 is a common minimum though.
I live in a retirement community where almost everyone has a golf cart--most are electric as opposed to gas operated. It is used as a second car because its electric (no gas) and as such, its almost free to drive. Here, a golf cart is called a 'golf ...
I work at a golf course and drive carts all the time. It is very easy to squeeze an extra 10mph out of an EZ-GO golf cart. I do it all the time. Just lift the seat up so u can see the engine. You should see the throttle on the engine. Once you find t...