Activists now 'flight shame,' citing jets' environmental toll. But for fuel-guzzling airlines, going green is no easy task.
CHICAGO - You can ditch your car for public transit and refill a reusable water bottle rather than buying plastic. But good luck finding a "green" substitute for an airline flight - unless you happened to be on a particular Los Angeles-bound United Airlines flight earlier this month.
The flight out of O'Hare International Airport was on a Boeing 737 powered by a fuel mixture that was 30% biofuel and got about 81.4 mpg per passenger, 16 mpg more than United's fleetwide average.
The usual packaged stroopwafels and for-sale snack boxes in coach were replaced with free meals emphasizing relatively sustainable options. No beef was served; instead there were quinoa and kale wraps served on
