"driving mission" is correct and usable in written English.
It can be used to describe an important task or goal that someone is actively pursuing. For example, "She is on a driving mission to increase outreach to underserved communities."
I want completing the single market to be our driving mission.
His driving mission, the raison d'être of this, his second spell as Israel's prime minister, has been the total removal of what he sees as Iran's nuclear threat.
If these workers aren't periodically connecting, in person, around issues that matter, they'll find themselves disconnected from their colleagues and the driving mission of their unit.
The driving mission of this company has been to present opera as an engaging form of theater, in innovative productions, with young, eager singers who look like the characters they portray and are game to take dramatic risks.
A Natural England spokeswoman said: "There has been absolutely no change in Natural England's statutory role or driving mission to protect and enhance the country's nature, habitats and landscapes as laid out under the Natural Environment and Rural Communities Act 2006.
In this decade what can best represent new Labour's driving mission for a Britain of aspiration and achievement - and become the most potent symbol of our country's ambitions for our future - is a new deal for children: a determination that not just some but all British children have the best start in life and the chance to succeed.
This not only brings driving missions and a new racing mode but finally adds proper articulated toys along with the static collectable figurines.
The present paper is focused on the design, optimization and analysis of a complex parallel hybrid electric vehicle, equipped with two electric machines on both the front and rear axles, and on the evaluation of its potential to reduce fuel consumption and NOx emissions over several driving missions.
The game's driving missions are also similar to those of Grand Theft Auto III.
While Neversoft wanted to keep Underground realistic and relatable for the most part, they added driving missions as an enjoyable diversion and to push the boundaries of freedom in skateboarding games.
I don't, though—I don't know why, but I got tired of "Tough guy runs driving missions for criminal factions" way faster than I got tired of "Space marine shoots monsters".
