Washing cars without water in Dubai
7 April 2013 Last updated at 16:16 BST
In the United Arab Emirates, cars are king and in the dusty desert, the car-washing industry is a lucrative one.
But until now it was also seen as environmentally unfriendly.
Middle East Business report met two brothers who have shaken up the car-washing business in Dubai by doing away with the most obvious ingredient - water.