http://www.kumhousa.com/pressrelease.do?newsId=156
excerpt...
KUMHO Introduces World's First "Aroma Tire" For Select Passenger Vehicles
U.S. market will carry limited inventory of orange, lavender and jasmine scents
Rancho Cucamonga, Calif. — KUMHO Tire USA, announces the introduction of the world’s first fragrance automotive tire, the ECSTA DX. The project is the “fruition” of more than a year’s worth of research and development to deliver an alluring aroma tire that replaces the normal “black rubber” smell with heat-resistant oils in the scent of lavender, and in later versions, neroli (orange) or jasmine. Visitors to www.kumhotireusa.com can find the nearest dealer and TireRack.com will ship them for
installation.