Clean fuel may refer to type of fuel used for transport or a type of fuel used for cooking and lighting. With regards to cooking, the Sustainable Development Goal 7 aims to "Ensure access to affordable, reliable, sustainable and modern energy for all." Clean fuel there is defined by the emission rate targets and specific fuel recommendations (i.e. against unprocessed coal and kerosene) included in the normative guidance WHO guidelines for indoor air quality. Clean fuel is one component of sustainable energy.
- ^ Ritchie, Roser, Mispy, Ortiz-Ospina (2018) "Measuring progress towards the Sustainable Development Goals." (SDG 7) SDG-Tracker.org, website