 So airlines now, manufacturers, even investors, they're in this weird spot. So this is an issue as starting next year, flights taking off from European airports, they must have at least 2% of sustainable airline fuel in their tanks, and it's going to ramp up in future years. So any thoughts? You know, what are you hearing about this? And how can the US force a solution? Yeah, this has been an area of concern for some time, because broadly speaking, there are two different flavors of SAFs. One is