Today was a big day for Elio Motors, the startup automaker that seeks to build hyper-efficient three-wheel cars at a former GM truck plant in Shreveport, La. They unveiled their latest prototype and announced their North American suppliers in Michigan today. Meanwhile, things aren't so great for them back home.

Startup automaker Elio Motors announced at the beginning of this year that they are taking over a former GM truck plant in Shreveport, Louisiana to make a three-wheel economy car they call "the next big thing in transportation." They need one pesky Louisiana law to change before they can start selling them en masse.

There's a maxim we have used here at Jalopnik for many years: four wheels good, two wheels bad. Why do we say this? To put it simply: safety. Cars are inherently more stable than bikes, and they offer greater protection to their driver and passengers. That's why the motorcycle crashes that get posted here tend to be…

Schoolhouse Rock once espoused that three is a magic number. And while that hipster edutainment series never expanded the concept past basic math, today's Nice Price or Crack Pipe Reliant can, because it's magically threelicious.

Combining a motorcycle v-twin with three wheels certainly isn't the most logical path to a sports car, but you can't argue with the results. Popular Mechanics reviews two: the Liberty Ace and Blackjack Zero. [PopularMechanics]