Please provide a short (approximately 100 word) summary of the following web Content, written in the voice of the original author. If there is anything controversial please highlight the controversy. If there is something surprising, unique, or clever, please highlight that as well. Content:
Title: 12 years since Saab’s bankruptcy: Secret NEVS electric cars revealed
Site: www.vibilagare.se
Even more interesting  is a design concept developed in 2017. This car is also all-electric, and is based on the same platform as the updated Saab 9-3 above. But the body has an all-new design language and the wheelbase is extended to offer more interior space. 
 The front-end offers a horizontal LED bar, which is raised in the middle. This was designed to be a design feature on new NEVS cars. Another interesting design detail is the rear spoiler which seems to ”melt” together with the roof. 
 As with the facelifted 9-3, details on battery sizes, range, and power are not available, and no pictures of the interior exists. 
 As you can see below,  NEVS also developed scale models and computer illustrations on many other possible cars. Sadly, none of them was ever put into production.