Not yet. in Vallejo CA they still have the 4 gas test. also Fairfield CA, Oakland CA.temp said:uhhhh in all of california they do.......
Not yet. in Vallejo CA they still have the 4 gas test. also Fairfield CA, Oakland CA.temp said:uhhhh in all of california they do.......
Co any O² are the other two they test in Sacramento.temp said:here is what they test for in sacramento
HC
NOx
Co2
they test a couple other things as well but those things are the ones that matter