California's Rezvani this week revealed the RR1 sports car, the first creation from its new Rezvani Retro division. It's based on the current-generation 992 Porsche 911, and takes inspiration from the wild road and race cars built by Germany's Kremer Racing in the 1970s, most notably the slant-nose Porsche 935 K series. Rezvani may be best known...