Anyone use pure nitrogen for vehicle's tires? For a car it costs ~ $2.5/tire for first time filling and ~ 50c/tire for maintaining pressure. For a motorcycle it costs ~ $1/tire for first time filling and ~ 25c/tire for maintaining pressure. Is it worth it? Opposed to free regular air available at most gas stations? I read some articles about it and they say the benefits are mostly related to extreme temperature (very high and very low) which won't happen in normal driving condition.