Question pretext
The respondent should be the household member who most frequently cooks food for the household, as identified in A.22
Ask each question for the most used and second most used fuel for this cookstove as identified in I.18 If no second fuel, only ask about the most used fuel.
Literal question
How much do you spend on the [FUEL TYPE] for this stove in the last month/in a typical month when you use the stove?`
a. Second most used
Interviewer instructions
Enter the actual amount spent, not the market value of the fuel.