Take the train from London to Berlin, from Turin to Bruxelles, Milan to Amsterdam. Madrid to Manchester, it doesn't work (yet?) to get to that 10 o'clock meeting.
EU policy is to ban this sort of thing by 2040. They intend to ban petrol cars from cities in that time scale as well. Of course this needs a major upgrade to high speed rail.
Travelling internationally so you can have a chat with colleagues is a waste of energy and its only done now because its feasible and economic.
"Great idea IMO, doesnt seem right for B737 and A320 to be doing 20-30 minute "hops". Guzzling fuel. As the man said its the shorter routes he targets! B737 has bigger range so let it off..nobody will stand going to tenerife anyway!!Plausible idea..I would say more like over due. Could well see these coming in and out of London and big densely populated capitals."
As has been discussed many times on pprune, standing up is and always will be banned on safety grounds. It will never be allowed.