Avgas is the lifeblood of general aviation and must remain available while the industry develops a safe, affordable alternative, officials with the Aircraft Owners and Pilots Association (AOPA) told members of the Senate General Aviation Caucus during a Nov. 21 briefing. “There’s uncertainty related to the future of avgas right now, and that’s affecting people’s decisions from purchasing aircraft, making upgrades, and developing new products,” Rob Hackman, AOPA vice president of regulatory affairs, is quoted in a report at AOPA.org.