Fuel Type This dimension categorises information according to the type of fuel or gas. Coal Coke And By Products This type of fuel relates to coal, coke and by-products. Natural Gas This type of fuel relates to natural gas. Other Fuels This type of fuel relates to fuels other than petroleum, diesel and LPG; natural gas; coal, coke and by-products; and renewable energy inputs. Petroleum Diesel And LPG This type of fuel relates to petroleum, diesel and LPG. Renewable Energy Inputs This type of fuel relates to renewable energy inputs including liquid bio fuel, biogas, bagasse, wood and wood waste.