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Avgas

2:20

Perfect ethanol free gas for your chainsaw--Avgas 100LL

2:00

What We Found Using Aviation Gas (Avgas) in Racecars on Dyno

2:42

Cleaning Rotax oil tank after using only 100LL AVGAS for 100 hours

3:22

Making AvGas and the Big Weather Picture with CFI Tom Rau | SiriusXM Aviation

3:41

MoGas (motor gasoline) in Gyrocopters instead of UL91 AvGas - CAUTION

Avgas is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft. Avgas is distinguished from mogas, which is the everyday gasoline used in motor vehicles and some light aircraft. Unlike mogas, which has been formulated since the 1970s to allow the use of platinum-content catalytic converters for pollution reduction, the most commonly used grades of avgas still contain tetraethyllead (TEL), a toxic substance used to prevent engine knocking (detonation), with ongoing experiments aimed at eventually reducing or eliminating the use of TEL in aviation gasoline.
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