What our Dept. of Energy has been up to
 

Efficiency related development work for transportation. Some of it, I think, misguided; some of it potentially useful; and much of it at least interesting. Your tax dollars at work...

http://www1.eere.energy.gov/vehicles...hments_rpt.pdf

I'll take the titanium suspension parts, please. And maybe a couple of the lightweight composite seats, if they do them for the front.

...what happened to the very light-weight carbon-fiber engine development?

...HCCI sounded promising, but looked rather sparse.

I hadn't thought about using soft switching under light load, sounds tricky but doable.

Could do without all the onboard hydrogen malarkey.