Purified nitrogen is normally used to inflate tyres on aircraft and racing cars for long. Now the facility is within the reach of vehicle users in Ongole with Chennai-based Madras Rubber Factory(MRF) opening its state-of-the-art 302nd Tyres and Service(T&S) centre here on Sunday. “When tyres are inflated with pure nitrogen there will no rusting of rims.” said its Regional Sales Manager Anil Nair.