Kia has come a long way from its humble beginnings in the 1970s. What was once a brand that licensed cars and motorcycles from Japanese brands, today pushes the boundaries on what's possible in an ...

A 2.0-liter Theta II engine in a Kia Sportage - P199/Wikimedia Commons The launch of Hyundai's first Theta engine in the 2004 Sonata helped signify that the Korean automaker was moving beyond its 20th ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...