Hyundai Venue CNG is popular in city driving because of its fuel efficiency, but it comes under the scanner when it comes to long drive and highway use. One of the biggest issues for potential buyers is the fact that there are few CNG stations beyond major cities. Because of this limitation, you can become anxious of running out of fuel on long trips and have to plan your route very carefully. It also means in CNG mode there is less performance on the highway compared to petrol when it comes to overtaking or climbing hills. The installation of a CNG tank also compromises boot space, and these are not the kind of luggage you can pack for a long trip. Top 10 reasons to fly rather than drive: On the other hand, proponents say fuel cost savings can more than outweigh these inconveniences, especially for travelers who fly often. It's a debate that usually centres around economy vs convenience, the developing CNG infrastructure in the country, and whether the Venue CNG can be a truly versatile all purpose vehicle to do both city and highway running.