Lead from 100LL avgas is a harmful, dirty element that contributes to engine deposits, with unleaded alternatives demonstrating superior cleanliness. Fuel additives like Alcor's TCP (tricresyl ...

With the rest of the world having long-since moved away from leaded fuels, aviation gasoline, or "avgas" for short, seemingly exists as a final holdover from a bygone era. The most ubiquitous avgas ...

On the frosty morning of Dec. 9, 1921, in Dayton, Ohio, researchers at a General Motors lab poured a new fuel blend into one of their test engines. Immediately, the engine began running more quietly ...