100LL Wars Heat Up
Light, owner-flown aircraft are at a crisis point. It started 50 years ago, when 100 Low Lead (100LL) became the solution to the high levels of lead in the previous blends while being a solution that didn’t really solve anything. It put off the inevitable. Earlier this year, we arrived at the inevitable. The offending substance in GA’s dependency problem is lead, specifically the tetraethyl lead in 100LL, the universal avgas these past almost 50 years. Lead is toxic everywhere it once was used, from pipes to paint to gasoline. So, it has been wisely phased out. Except for us—our little niche of GA that doesn’t matter much to the EPA or to environmentalists, which makes it somewhat of a miracle that we’ve lasted this long using lead. It really is a…