For individuals or businesses that require a vehicle with a single large enclosed area, a van could be a leading choice for drivers. Capable of securely holding a large amount of cargo or passengers, vans are significantly styled for practicality rather than other factors such as performance. From the 1930s to the 1980s, vans were almost entirely based on truck-like chassis structures. Vans built on truck-like frames such as the Chevrolet Express prove most useful for commercial entities that require toughness and durability. If equipped for passenger, large vans can seat up to 15 occupants. Popularizing car-based construction, Chrysler gave the world the first proper introduction for the minivan in 1983. Realized as an alternative to the wagon but also decreased in proportions to a large van, the minivan became a big success for Chrysler and later led to almost every high-volume auto manufacturer placing one in their product line-up. Minivan use has been losing popularity among families as the availability of seven-passenger crossover vehicles has presented an enticing alternative to the less thrilling van shape. Several minivans remain for sale including the Dodge Grand Caravan, Honda Odyssey and Toyota Sienna. Modern minivans contain a number of available family-centric features that includes built-in vacuums as well as a sophisticated rear seat entertainment system. In recent years, smaller vans have been proving popular as alternatives to sedans such as taxi cabs thanks to its large passenger cabin and ease of converting for wheelchair accessibility. The Ford Transit Connect and Nissan NV200 are two models both specifically being outfitted for taxi duties in major cities. Vans are also popular among the recreational vehicle industry by serving as the basis for class B motor homes or sometimes-called camper vans.