What type of fuel is the best for the environment?
What type of fuel is the best for the environment?
user
Hm, I don’t really know much about fuels, sorry.  But I could help you find information online about it?  Maybe it would help to explain more about what you’re looking for?
assistant
I just want to know what fuels produce the lowest amount of harmful emissions.
user
Oh, ok.  Hm, is there a particular type of fuel that you’re looking at?  Or just emissions generally?
assistant
just emissions in general
user