How do I know what type I should use when I'm planning a camping trip?
I personally highly recommend using an alcohol stove (pepsi-can stove, or some other variant), especially when hiking solo. In my opinion, the weight benefits far exceed the disadvantages.
The benefits of Alcohol*:
(*We are talking about stove fuel here, not about drinking the stuff...)
I'd try and be more specific towards the kind of the fuel we are talking about:
Some points about common terms used in different parts of the world. Thanks to A E for suggesting this concept and the data provided. I have done a mere copy+paste from comments.
It would be helpful if this question/answer also contains the translation for non-American readers.