Partial oxidation (Eq. (2)) is a much faster reaction than steam reforming, offering therefore the advantage of smaller reactors and higher through puts. A comprehensive review has been written by Bharadwaj and Smith [12]. Catalysts include: supported nickel (NiO–MgO), nickel-modified hexa-aluminates [24], platinum group metals (PGM) Pt, Rh, Pd/alumina [25] and [26], on ceria-containing supports, or on titania [27], as well as supported metallic clusters [28]. Some of these materials present only academic interest for the time being. PGM catalysts are in general more active, however more expensive and sensitive to sulfur; based on the desired compactness of the reformer they tend to find more employment in the development of very active catalysts.