No lead in PRO-FUEL, they have no lead fuel untill 116 octane. I would bet a properly tuned car on 112 race fuel pollutes less than the 87 octane pump gas formulated to put more money in theire pockets. Have you ever taken apart a motor running on 87 or whatever 94 octane pump gas? erverything is cruded with cabon & youre oil is black within 1000 km, something is not burning right. On Racefuel the engine stayes perfectly clean, therefore polluting much less. But i'm sure water mist systeme would be better(never heard of it by the way).Sorry if this sounds naive but doesn't 112 contain lead?
To get around running expensive race fuel one could install a water mist injection system.
I have a customer who installed a full time water mist injection system with a RPM window switch on his NA 07 Civic Si, runs 87 octane and gets better fuel economy and more power than when he ran premium alone. He says he only has to fill the reservoir every 4 or 5 days.