Volkswagen again juices the Beetle's engine, increasing displacement to 1493 cc, netting another 3 horsepower and a badge update to "1500." In '67, the Bug inherits 12-volt electronics ...

The elongated, almost pontoon-shaped body was powered by a 1.1-liter 67.1 ... prototype Volkswagen had the same opposed flat-four cylinder, air-cooled engine that powered the Beetle ...

Franz Xavier Reimspiess refined the design work, and, just like that, the iconic "prototype 1" (the basis for what would become the VW Beetle) flat-four engine was born. Though it came with some ...