Whelp, there's your problem:
Body Part Falls Off Elio 3-Wheeler During Live Test Drive
It needs a third mounting point not in line with the first two for triangulation.
Christopher Jordan -- You've got some Facespook lurking in the tail end of the link you posted. I sanitized the link for this post.
Code:
http://jalopnik.com/body-part-falls-of-elio-3-wheeler-during-live-test-driv-1784533335?rev=1469818313965&utm_campaign=socialflow_jalopnik_facebook&utm_source=jalopnik_facebook&utm_medium=socialflow