Diesel S.p.A. Diesel Clothing & Diesel Accessories Diesel clothing is a company driven towards making high quality clothing, resulting in Diesel becoming a part of an international youth fashion culture. Diesel clothing pride themselves on creating original designs, producing an extensive array of jeans, clothing and accessories. Regarded as a pioneer of new styles and fashion, Diesel is truly a global brand with a great reputation. Founded by Renzo Rosso, he wanted to create a company that took risks, building up popularity amongst its niche market. Diesel has a rich heritage and has certainly achieved Renzo’s dream.