By raising the octane rating, TEL allowed engines to run at higher compression ratios, boosting power and fuel efficiency. It became the global standard for decades, especially during WWII, where it enabled high-performance aviation engines.
In biology and medicine, "tel-" (from the Greek telos , meaning "end") refers to telomeres , the protective caps at the ends of linear chromosomes. Corporate Summary - Tokyo Electron Ltd. By raising the octane rating, TEL allowed engines
1. Tetraethyllead (TEL): The Rise and Fall of Leaded Gasoline By raising the octane rating