Whether for protection from pollution or viruses, or to reassure passengers in the event of long trips or carpooling, car users are becoming increasingly aware of the quality of the air inside vehicles. Manufacturers have understood this, and are stepping up their efforts to offer solutions. The latest in line is Volvo, which recently unveiled its sophisticated new air purification technology, designed to meet the needs of all those who suffer from allergies and asthma or are sensitive to air pollution. The idea is that all passengers of these future models will benefit from clean air to breat…