Guy Gratton News Today

Most turbulence occurs in cloud with up- and downdrafts of wind, says BBC Weather's Simon King.

A stealthy form of turbulence known as clear-air turbulence caused a Singapore Airlines flight to plunge 6,000 feet Tuesday -- leaving a 73-year-old British grandfather dead and more than 30 passengers injured.

In November, a plane powered by 100% ‘sustainable’ jet fuel took off from London to New York. It was hailed by some as a milestone in reducing the carbon…

The first transatlantic flight by a passenger airliner using entirely alternative fuels took off in London, going to New York. Read more here.

Airlines see the flight, which is supported by government funding, as demonstrating that a greener way of flying is possible.

The flight is a one-off of its kind so far, and is not carrying fare-paying passengers.

Aviation | SAF For this flight, a Boeing 787 will be filled with 50 tonnes of SAF. Two types are being used, with 88% derived from waste fats and the rest from the wastes of corn production in the US. Following test and analysis, the flight was approved by UK regulator the Civil Aviation Authority earlier this month. A number of companies have been involved in the project

Operated by Virgin Atlantic, it is flying from London's Heathrow to New York's JFK Airport.

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Country would need to devote half its farmland or more than double its renewable electricity supply, says study