Japanese airline ANA is introducing a policy that some think really takes the pee. They want passengers to relieve themselves before they board the aircraft, in a somewhat desperate attempt to reduce carbon emissions.
The airline's chiefs say that empty bladders means passengers will weigh less, so their fleet of aircraft will save fuel and reduce their carbon emissions. ... The new regulation will be policed by 'loo monitors', who stand by boarding gates and take waiting passengers to the lavatories before they embark. ...