Frequently Asked Questions


	Introductory
	Q1	Why introduce alternative fuels in aviation?
	Q2	What are alternative fuels in aviation?
	Q3	What is a drop-in fuel?
	Q4	Why are drop-in fuels so important?
	Q5	How can alternative fuels reduce greenhouse gas emissions?
	Q6	What is a fuel life cycle?
	Q7	How are alternative fuels produced?
	Sustainability
	Q8	Could alternative fuels produced from fossil feedstock be used for aviation?
	Q9	Do sustainable aviation fuels compete with food?
	Q10	Do sustainable aviation fuels have potential environmental benefits besides greenhouse gas emissions reductions?
	Q11	What are other potential benefits of alternative fuels?
	Q12	How can sustainable aviation fuels contribute to the United Nation Sustainable Development Goals (SGDs)?
	Implementation
	Q13	How are we sure that alternative fuels are drop-in and safe for use in aviation?
	Q14	Which alternative fuels have received technical certification for use in aviation?
	Q15	Which alternative fuels are within the technical certification process for use in aviation?
	Q16	Why is there a maximum blending limit for alternative fuels used in aviation?
	Q17	What is the experience with flying on alternative fuels?
	Q18	What is the commercial availability of alternative fuels in the aviation industry?
	Q19	What are challenges for the development and deployment of alternative fuels for the aviation industry?
	Q20	Why is reducing air transportation not a viable solution for reducing greenhouse gas emissions?
	ICAO’s Role in Aviation Alternative Fuels
	Q21	What is ICAO doing in the field of alternative fuels for aviation?
	Q22	What is the ICAO policy related to alternative fuels?
	Q23	What is the role of ICAO in the development and deployment of alternative fuel?

Introductory

Why introduce alternative fuels in aviation?

What are alternative fuels in aviation?

What is a drop-in fuel?

Why are drop-in fuels so important?

How can alternative fuels reduce greenhouse gas emissions?

What is a fuel life cycle?

How are alternative fuels produced?

Sustainability

Could alternative fuels produced from fossil feedstock be used for aviation?

Do sustainable aviation fuels compete with food?

Q10

Do sustainable aviation fuels have potential environmental benefits besides greenhouse gas emissions reductions?

Q11

What are other potential benefits of alternative fuels?

Q12

How can sustainable aviation fuels contribute to the United Nation Sustainable Development Goals (SGDs)?

Implementation

Q13

How are we sure that alternative fuels are drop-in and safe for use in aviation?

Q14

Which alternative fuels have received technical certification for use in aviation?

Q15

Which alternative fuels are within the technical certification process for use in aviation?

Q16

Why is there a maximum blending limit for alternative fuels used in aviation?

Q17

What is the experience with flying on alternative fuels?

Q18

What is the commercial availability of alternative fuels in the aviation industry?

Q19

What are challenges for the development and deployment of alternative fuels for the aviation industry?

Q20

Why is reducing air transportation not a viable solution for reducing greenhouse gas emissions?

ICAO’s Role in Aviation Alternative Fuels

Q21

What is ICAO doing in the field of alternative fuels for aviation?

Q22

What is the ICAO policy related to alternative fuels?

Q23

What is the role of ICAO in the development and deployment of alternative fuel?