So, from a chemical standpoint, charcoal seems like the better fuel source, because it’s mostly carbon, burning it releases more heat energy for a longer period of time, with fewer smoky byproducts.

因此，从化学的角度来看， 木炭似乎是更好的燃料来源，因为它主要是碳， 燃烧它会释放更多的热能并持续更长的时间， 而且产生的烟熏副产品更少。