 Diesel originally designed his engine to use coal dust as fuel, and experimented with other fuels including vegetable oils, such as peanut oil, which was used to power the engines which he exhibited at the 1900 Paris Exposition and the 1911 World's Fair in Paris.Diesel fuel is produced from various sources, the most common being petroleum.Other sources include biomass, animal fat, biogas, natural gas, and coal liquefaction.