GAO-10-748SP: Aviation and the Environment: Survey of Airport Officials on Airport Environmental Issues, an E-supplement to GAO-10-50

U.S. Government Accountability Office

Q41. Does your airport have any of the following voluntary policies for encouraging carriers to reduce aircraft emissions?

(Total Population)

	Percent	Number of respondents
a. Single-engine taxiing policy	7.8	141
b. No-idle policy	12.1	141
c. Other voluntary policy to encourage carriers to reduce aircraft emissions	7.8	141
d. None of the above - Airport does not have voluntary policy to encourage carriers to reduce aircraft emissions.	59.6	141
e. No answer	17.7	141

Q41. Does your airport have any of the following voluntary policies for encouraging carriers to reduce aircraft emissions?

(Large and Medium Hubs)

	Percent	Number of respondents
a. Single-engine taxiing policy	15.9	63
b. No-idle policy	17.5	63
c. Other voluntary policy to encourage carriers to reduce aircraft emissions	9.5	63
d. None of the above - Airport does not have voluntary policy to encourage carriers to reduce aircraft emissions.	54.0	63
e. No answer	12.7	63