"Federal authorities raid stores allegedly selling nitrous oxide" raids in south Cal. i read 3 stories about nos being use illegally as a recreational drug. it looks to me the feds did a good job. it all pivots around the illegal use of nos. they did not go after racers using nos. it seams that the feds are doing a very good job, of going after the right people, the feds are going after people knowingly selling nos to drug users, not racers using it legally. . thanks to the feds for trying to keep harm from drug users.