They essentially designed the Econic [1] series by Mercedes. Those have been available for quite some time, before the 2013 date of the article and video. [1]

They essentially designed the Econic [1] series by Mercedes. Those have been available for quite some time, before the 2013 date of the article and video. [1] https://en.wikipedia.org/wiki/Mercedes-Benz_Econic https://en.wikipedia.org/wiki/Mercedes-Benz_Econic