A "variable turbine" refers to a type of turbine that can change its speed or power output depending on the desired conditions. It has the ability to adapt and adjust itself based on the situation or requirements at hand. Full definition
The 2.0 - litre turbocharged diesel models have been radically redesigned, featuring variable turbine geometry and common - rail direct fuel injection. (ausmotive.com)
For starters, it's a flat - as opposed to an inline - four, and gets variable turbine geometry in «S» guise. (autofocus.ca)
The powerplant sets standards in various areas such as its aluminium crankcase, its common - rail direct injection and turbocharger with variable turbine geometry which allow it to combine impressive punch with a further reduction in fuel consumption and emissions. (ausmotive.com)