Savvy Aviation Presentation on UND issues with recessed valves. 

Lycoming Service Instruction 1070AB (Shows which Lycoming engines are able to run Unleaded fuel. )

G100UL

https://youtu.be/kB6g9bvumj0?si=tcpy_FXEyI6PYcW2

Rep Jay Obernolte CA 23 District

https://youtu.be/1LYgWSCqk-o?si=xskEN5wQPuJqwWs2

UL Clarifications Details with  engines

Valves : https://youtu.be/ovJBJjZTjsk?si=6I3RVWN5vto1hYQ3

House Bill HR3935 with amendment 279: 

https://www.govinfo.gov/content/pkg/BILLS-118hr3935rh/pdf/BILLS-118hr3935rh.pdf

Videos

Paul Millner on Avgas Market Realities: https://youtu.be/6h9gYND3xFo?si=YsityA6cCX6HCQNW

GAMI has been tested since 2009

AOPA's Mark Baker on G100UL:" A Big Darn Deal"

https://youtu.be/aP-4AxNsxSw?si=Z9nWAoA0WNVA1aKM

G100UL Approved Now What?

https://youtu.be/ibIkuyBL9i8?si=1h80-pO9gLRxniXc