Fossil fuel embedded energy is still photosynthetic in origin. Terrestrial plants, on the other hand, tended to form coal and methane. Many of the coal fields date to the Carboniferous period of Earth's history. Terrestrial plants also form type III kerogen, a source of natural gas. There is a wide range of organic, or hydrocarbon, compounds in any given fuel mixture. The specific mixture of hydrocarbons gives a fuel its characteristic properties, such as boiling point, melting point, density, viscosity, etc. Some fuels like natural gas, for instance, contain only very low boiling, gaseous components. Others such as gasoline or diesel contain
The Fuel was released as the first official single off the EP featuring vocals from Hollis. The video for "Porcelain" was shot on the Oregon Coast by Jesse Vinton. "The Fuel" was released as the second single off the EP followed by "Crazy is Beautiful" and "Excitement" which featured vocals from Nevaeh and Andrew Thomas Reid respectively. The Fuel The Fuel is a collaborative EP by Brooklyn-based rappers Koncept and J57. Released through KON57 Records, the EP features vocal appearances from Hollis, Akie Bermiss, The Grand Concourse, Dice Raw, Denitia, Andrew Thomas Reid and Nevaeh. "The Fuel" was started as a project