While Airbus announced a much smaller order from Turkish Airlines, some US airlines like Jet Blue and Delta have been hiking fares and even charging fuel surcharges on certain routes to compensate for rising fuel costs.

FORBES: Boeing Gets $10 Billion Chinese Order While JetBlue And Delta Hike Fares

He says that if the problems of congestion are to be tackled, there will have to be a switch from fuel duties to congestion charging.

ECONOMIST: Fuel tax

At that time, fuel duty would be cut as well and road charging introduced at 8p a kilometre for motorways and trunk road.

BBC: Clegg unveils road charging plan

Fuel-saving technology like hybrid power and turbo-charging, they say, isn't enough to do the trick.

FORBES: Magazine Article

Ministers know they need to switch the burden of tax from fuel to direct charges such as motorway tolls or urban congestion charging, but fear voters' reaction.

ECONOMIST: Transport

The surging price of jet fuel has forced airlines to eke profits out of passengers by charging for previously complementary services like baggage checks and in-flight meals and drinks.

FORBES: Magazine Article

There is a "compelling" case for road charging in the UK rather than the current system funded by taxes on fuel, a study has suggested.

BBC: Compelling case for UK road charging, IFS study says

Southwest remained profitable even when fuel prices spiked, thanks to brilliant hedging, and has launched a series of moves to raise revenue without charging to check a bag, which really irks people.

FORBES: Southwest Shares Are Tempting But Airline Stocks Usually Don't Fly