Putting a Smart car---which is both light and carries at most four people---on tracks is "using this very cost-intensive, heavy-duty infrastructure for a very low return," Supawanich says.

Hot Wheels id is a new toy video game cross over. Smart die-cast cars and track work with a new app to create new virtual and physical play.

This modified smart car just loves those brutal winters.

If you thought Smart cars were goofy before, wait until you see one that thinks it’s a train. In what it calls “a light-hearted, one-off experiment,” Smart worked with train engineering ...

Diesel-powered micro car on tracks is one way to conquer winter.