Global: Audi's 'disappearing billboards' stunt

A still of the vapour car from the video
A still of the vapour car from the video

German motoring brand Audi created a series of 'disappearing billboards' to showcase its latest h-tron engine technology.

The new h-tron engine only emits water vapour, making it the most environmentally friendly and progressive engine Audi has ever built.

To highlight this feature, the brand worked with Hamburg-based agency Thjnk to create ads that also leave nothing behind but water vapour.

The 'disappearing billboards' were created using a fog machine and placed in busy city areas after dark. An image of the new A7 Sportback h-tron quattro and key messages were projected onto the fog before it disappeared into the night.

More: In pictures: Audi utilises event tech for pop-up store

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