Will the new diesel laws affect us going into California? November 14, 2024 at 3:12 pm #42134 Bill GreeneParticipant Joined: Jan 2024 Posts: 63 Likes: 55LikeUp1::You have nothing to worry about. Side note, I’d stop and fill up right before crossing into CA. Last time I was that way diesel was about $2 cheaper per gallon in AZ. Its probably worse these days.