From left to right: K-Series, 800-Series, I-Series
“I had some relatively nonsensical German words there (including Kraften) but then I forgot what they were. I think it was Einfluss Technik Kraften which doesn't make any sense. I found out later that ETK is a known German abbreviation for a parts catalog.”
—Gabester, in response to the question "What does ETK stand for?", 2400i Forum Page, 11 December 2012
ETK is a high-end German automaker, primarily concerned with luxury and sport automobiles.
ETK's unofficial, fan-made website is https://fvonscher.wixsite.com/etk-motors