The Holy Grail #2

自走式（自動）の車の開発では、グーグル、そして最近ではトヨタのレクサスのものが有名ですが、オックスフォード大のチームも負けてはいません。

Self-driving car given UK test run at Oxford University

Autonomous technology is being tested by several car manufacturers and technology companies.

Simple self-driving tasks, such as cars that can park themselves, are already in use across the industry.

The Holy Grail is a fully-autonomous vehicle that is location-aware, safe and affordable.

"Well if you look at it, we don't need a 3D laser spinning on the roof that's really expensive - so that's one thing straight away. I think our car has a lower profile."
He added: "Our approach is made possible because of advances in 3D laser mapping that enable an affordable car-based robotic system to rapidly build up a detailed picture of its surroundings.

http://www.bbc.co.uk/news/technology-21462360

「聖杯」のThe Holy Grail（Grail）がこんなところにもまた出てきました。詳しくはこちらをどうぞ↓。
http://d.hatena.ne.jp/A30/20100923/1285243895

ここでは「究極の目標」という比喩用法でしょう。（UG）