While there are several types of jet fuel, Jet A1 is the most common used fuel in commercial aviation around the world.

Despite the original diesel fiasco in the 2010s — and the five automakers facing their own Dieselgate trial in the U.K. this year — diesel engines have definite benefits over their gasoline-powered ...

The core problem is a worldwide shortage of diesel and jet fuel, which is forcing international trade's share of GDP to start falling after being flat since 2008. Diesel is essential for food ...