From Ananova: An Electric Unicycle – the Uno
From BoingBoing: Puma: GM and Segway take a swing at a small car (the comments on this article dismantle the concept quite well).

Traffic deaths last year lowest since ’61
This is due both to a lower fatality rate (1.28 / 100 million vehicle miles traveled vs. 1.36 in 2007) and lower VMT due to gas prices and the recession.
The lower fatality rate is attributed by the article to seat belt use, and one has to credit safer cars and faster response times (cell-phones) and better medical treatment as well.