I love my 2017 Volt! I much prefer driving it to my in-law’s enormous Dodge Ram and Audi Q7.

Long live the Volt!

Additionally, there are several unleaded alternatives in the works, one of which (GAMI 100UL) has been approved by the FAA for use in all avgas planes with the purchase of a Supplementary Type Certificate.

Some light aircraft, such as the Diamond DA40NG use automotive diesel engines adapted for aviation that burn jet fuel instead of avgas. The diesel version of the Diamond is about 40% more efficient than the avgas version, and also flies considerably faster.