Good.
Better tire gauges, maybe even at decent prices may start showing up. By better I mean accurate to within a PSI, and temperature compensating as well as flow compensation (most gauges don't read correctly when air is flowing into the tire).
Less gas used from better MPG.
Fewer tire failures, detection of bad tires, refilling from normal air loss.
May create some good will with customers.
Great time to pitch customers with a tire sale, or N2 service.
Bad.
More regulation and government sticking in its not uncamel like nose in your business.
Costs the shops for time to test and fill, keep records, and buy good gauges.
Shops that don't test may end up getting sued if a tire later fails.
Who is Branick?
Old USA tire equipment company, currently looks like the supplier of the N2 stuff to Costco.
www.branick.com Inflator is about the only hit I get from a google of CARB tire inflator, I noticed it cause its in the sale at
www.tooltopia.com $52 and meeting CARB certification caught my interest.