Complex sentence: The article was entirely false but was still being widely quoted as fact years later, even as recently as January 2008 when a Kia TV ad referenced the story with no mention of its fictional nature.
Split into simpler sentences: The article was entirely false but was still being widely quoted as fact years later, even unto the present day. The story was even referenced in a January 2008 Kia TV ad with no mention of its fictional nature.