"G&K is in the final stages for the Smart car project. Smart cars will be available in the USA soon!" (Mentioned in
a current wired article. Amusingly, it does point out that the fortwo diesel actually gets 70 mpg, leaving hybrids in the dust...)
Update:
ZAPworld, an EV vendor in california, also claims that they'll be selling Smarts soon. They also link to an
MSNBC article which includes a crash-test video against a mercedes...