Changes: Fuel

Fuel is an Item or Block which can be used as a source of energy for smelting items in a Furnace. There are different types of fuels in Minecraft Pocket Edition, each having unique fuel efficiency.

Usage

Fuel items can be placed in the lower slot on a furnace to begin the process of smelting/cooking. 

Fuel Efficiency

Fuel	Durability (s)	Items Smelted
Wood Logs (Any)	15	1.5
Wooden Planks (Any)	15	1.5
Saplings, Sticks	5	0.5
Coal, Charcoal	80	8
Lava Buckets	1000	100
Coal Blocks	800	80
Wooden Tools	10	1
Crafting Tables, Stairs, Fences, Wooden Slabs, Bookshelves, Note Blocks, Trapdoors, Daylight Sensors	15	1.5
Blaze Rod	100	10

Trivia

• Whenever a unit of fuel has started burning, it will burn out regardless of the presence of anything available to smelt. 
• Lava Buckets have the highest fuel efficiency.

Gallery

See here.