Specifically, the increase saw 6,561 more CNG vehicles sold this year so far, adding about 80,000 CNG vehicles to German roads. Most of these models belong to two home brands, Volkswagen and Opel.

We also have a special mention on the list for the Tata Punch. The new CNG version of the Tata Punch will be launched in the coming weeks and it might turn out to be the most affordable CNG SUV in ...