According to the latest figures from iFlightPlanner, national 100LL prices moved higher in April, with 100LL Full Service costing an average of $7.20, an increase of $0.40 (5.8%), while 100LL Self Service averaged $6.01, up $0.33 (5.7%).
avgas
Mobile App Launches for 100LL
Debuting at the 2026 SUN ‘n FUN Aerospace Expo at Lakeland Linder International Airport (KLAL) in Florida, app users can get a discount of $0.45 a gallon during the event, according to company officials.
A Single Specification
Forget ASTM or the STC process: Maybe it’s time to look at a specification for unleaded avgas in a whole new way.
Aviation Fuel Prices Up Sharply in March
The Southeast saw the biggest jump in prices for 100LL, with the Southwest and Hawaii not far behind.
Avgas Prices Climb for Second Straight Month in February
While 100LL Full Service prices climbed, the price of Self Service remained the same from January 2026.
Can aircraft certified on 115/145 avgas use the new unleaded fuel?
As general aviation transitions to a lead-free future, some GA pilots are wondering about 115/145 avgas.
A warning from the past for unleaded avgas
Oil refineries add 0.5 grams of Tetraethyllead (TEL) per gallon to 80/87 fuel. But why?
Everyone beware
A question that every pilot and general aviation aircraft owner should be asking is “What do I need to do to my aircraft before the transition to unleaded avgas and 100LL is gone forever?”
Blame it on the lawyers
When there is a problem with the transition to unleaded avgas, maybe those affected will sue the EPA or the FAA. But more realistically they will sue everyone from the airplane manufacturers to the fuel distributor, letting the courts sort it out to determine the winners and losers.