Volkswagen's way to sustainable mobility is based on a combination of diverse technologies: Clean Diesel technology is currently experiencing an enormous boost in the USA. Today, every fourth Volkswagen sold in the USA is equipped with a Clean Diesel engine, a clear upward trend. Volkswagenâs Blue Motion lineup combines high utility and extreme efficiency. Another decisive step is plug-in hybrid technology, which has high potential for reducing CO2 emissions. And, with the 1-liter car, the close to mass production study XL1, Volkswagen is today already proving what is possible technically.