Originally Posted by Ashley2
In Automatic transmissions, there is no clutch and gear shifts automatically.
So it is the automated manual gearbox with a new name. These are conventional gearboxes controlled by control unit instead of manual shifting.
Originally Posted by Mpower
Of the 3, which style is the I-shift? and is it by ZF?
Most probably, Pneumatic.
This tech is used widely and is not patented by Volvo. If Volvo has introduced some new system in I-shift, then that system might be patented.