i used to pump nitrogen gas at my car ar, coz eneos service package includes the nitrogen gas also ar. To be honest i feel NO difference at all lor.....ppl claimed to be lighter, cooler, etc etc but i don't felt or see the differences lar....mayb me ain't sensitivity guy to sense the differences...kekekeke :_: btw, many ppl said pump nitrogen gas is lighter ar, issit because they put higher air pressure thus feel lighter ar? Somemore ar, each time i service my car in eneos ar, i kept thinking did they really top-up my n2 filled tyre? ehehehe:embaressed_smile: