... ash,no odor 3longer burn time Gel fuel(Ethanol) ------a solution to clean energy ... fuel(methanol)--longer actual burning than others5. Use: restaurant,hotel ,camping,hunting,etc. for heating up food ,chafing ... dish.6. Burning time: 2.5 hours 7. Dia of can:83cm/ Height of can:55cm8. Material of can : tinplate with ... ,camping trips commercial cafeterias,chafing dishes, barbecuing, hotels to heating foods, ...