According to a story in the USA Today you may soon get to choose which security line you use at the airport depending on how fast you will get through. Pack lighter and you can choose a faster line.

Salt Lake City International Airport is trying to get travelers through security checkpoints faster.
Travelers are being divided into three groups, depending on the number of carry-on bags, whether they’re with kids and other factors.

The head of the Transportation Security Administration says the idea is to separate large groups or heavy packers from those who can move through the lines quickly. Kip Hawley was at the Salt Lake City airport to announce the program Friday.

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Airbus and Shell Oil announced a test flight was completed recently with one of the four engines operating on an alternate fuel.

The alternative fuel used on the test flight was gas to liquid (GTL), which looks like kerosene, but is clear coloured. It is a natural gas, which has been cleaned and has undergone the Fischer-Tropsch process - the conversion of synthesis gas to liquid fuel.

The goal of these experiments is to find both cheaper and “greener” fuels. While they announced the test was a success, no mention was made of how much cheaper or how much greener the fuel is than conventional jet fuel. Airlines and by extension airplane manufacturers are getting increasing pressure from the public to reduce their carbon emissions and lower ticket prices driven up in part by the rise in fuel costs.

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