What is the 'Lupo' feature on the Audi A2?

I've heard about the 'Lupo' feature on the Audi A2, but I can't seem to find any information on it. Can someone explain what it is and how it works?

The 'Lupo' feature on the Audi A2 is a fuel-efficient technology that helps to reduce emissions and improve overall performance. It works by automatically adjusting the engine's performance based on driving conditions and can result in significant fuel savings. As a tip, try using it while driving on the highway for maximum efficiency.