Liquid fuels like furnace oil and are predominantly used in industrial applications. There are several types, such as hydrogen fuel, ethanol, jet fuel and biodiesel which are all categorized as a liquid fuel.
Types of liquid fuel
Petroleum
Oils from distillation of petroleum
Coal tar
Shale-oil
Alcohols, etc.
Gross calorific values for different fuel oils
| Fuel oils | Gross Calorific Value (kCal/kg) |
| Fuel Oil | 11,100 |
| Diesel Oil | 10,800 |
| L.D.O | 10,700 |
| Furnace Oil | 10,500 |
| LSHS | 10,600 |
Here, there is a link about Liqued hydrogen Fuels:hydrogen fuel made
Chemistry 