"Summer is coming soon, as are words of praise across the world for tinted windows. They keep out the heat and prying eyes, and make any vehicle look sleeker.

Back in the early 1990s, one darkened panel of glass in particular also hid a big Porsche secret: the layout of the future Boxster sports car. Under the camouflaged rear window of one of the company’s development mules, in the middle of the concept, was an engine."

Read the rest over on the blog here!