Fuel were present at the sites. As a fuel, wood has remained in use up until the present day, although it has been superseded for many purposes by other sources. Wood has an energy density of 10–20 MJ/kg. Recently biofuels have been developed for use in automotive transport (for example Bioethanol and Biodiesel), but there is widespread public debate about how carbon efficient these fuels are. Fossil fuels are hydrocarbons, primarily coal and petroleum (liquid petroleum or natural gas), formed from the fossilized remains of ancient plants and animals by exposure to high heat and pressure in the absence of oxygen
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