I certainly hope that the restructuring of GM will bring forward engine technology such as this awesome diesel V8:

These features give the new engine an unusually small, light, and narrow form factor for a diesel, with the ability to fit anywhere the current LS-series gasoline V-8 will go, according to GM sources. Potential applications mentioned so far include pickup trucks under 8,600 pounds GVW and the Hummer H2. While no passenger-car plans have been revealed so far, the new engine’s small footprint allows GM “the flexibility to introduce this engine in a wide variety of vehicle applications should there be future market demand,” according to GM statements. [And what a potential hot rod engine swap candidate! -Ed.

Nevermind the stupid Hummer box, which are being sold to the Sichuan Tengzhong Heavy Industrial Machinery Company anyway, this is the sort of thing that should be dropped into aerodynamic new designs.