The main quality concern for jet fuel is water, just like with avgas. But there are some additional concerns.
avgas
Unleaded avgas now available at KRHV
G100UL high octane unleaded avgas is now available for sale at Reid-Hillview Airport (KRHV) near San Jose, California.
One question, many answers
Asking technical experts the same question about exhaust valve recession problems with unleaded fuel and you’ll get a variety of answers — and each person is convinced they are right.
Liability and unleaded fuels
Who will actually “approve” any new unleaded fuel and what does that approval mean?
The panic about unleaded fuels
A lot has been written about who is developing 100 unleaded avgas fuels, but we should look at who is NOT working on a candidate fuel.
Unleaded fuels and exhaust valve recession
What needs to happen to move forward towards an unleaded future for general aviation?
Avgas from the Wright brothers to today
There is still a lot of confusion about the transition to a new unleaded avgas, especially around the differences between fuels approved through the Supplemental Type Certificate (STC) and a specification from the American Society for Testing and Materials (ASTM). It may help to look at the history of specifications for avgas.
Swift Fuels UL94 now purple
The color change, the result of more than four years of planning by ASTM International, is designed to increase avgas refueling safety in the marketplace by helping differentiate various fuel grades, as well as water, from one another, according to Swift Fuels officials.
KLGB launches unleaded fuel subsidy program
The FAA has set a target for the elimination of leaded aviation fuel for all piston-powered aircraft by the year 2030. In an effort to speed up the transition at the local level, KLGB’s Unleaded Aviation Fuel Subsidy Program is designed to eliminate the cost difference between leaded avgas and unleaded avgas.