(Flickr)

(Flickr)

Earlier this year, we wrote about how Nissan’s new dirt-repelling paint was set to revolutionize the game for car wash businesses, possibly rendering them obsolete. Seven months later, however, the European arm of the automaker is still testing the technology, Business Insider reports. Ultra-Ever Dry, the super-hydrophobic and olephobic paint, sold by UltraTech International, Inc., is said to shield a car from “mud, rain, and everyday dirt,” Nissan announced in unveiling its application of the paint on the Nissan Note. But as Eric Wulf, CEO of International Carwash Association, told us in April:

“The surface will degrade quicker than the life of the car, so it is probably not a permanent solution. Sun and stones, for example, will degrade its effectiveness. This has potential to be a game-changer. But from the information I’ve reviewed, it’s not yet ready for ‘prime time.'”