内容摘要：Lifesaver: Sgt Luke O'Connell has been honoured for his efforts in helping a man in distress. Sgt O'Connell was off-duty when he pulled the man back from a bridge over a dual carriageway and held him until more help arrived. The Avon and Somerset Police officer was named a winner in the Bravery category of the force's federation recognition awards.

Lifesaver: Sgt Luke O'Connell has been honoured for his efforts in helping a man in distress. Sgt O'Connell was off-duty when he pulled the man back from a bridge over a dual carriageway and held him until more help arrived. The Avon and Somerset Police officer was named a winner in the Bravery category of the force's federation recognition awards.

Alternative methods of creating SAF require large quantities of electricity as part of the manufacturing process. This would involve a vast amount of renewable energy to make it sustainable."It's very hard, to think there is such a thing as a sustainable aviation fuel,” says Sir Dieter Helm. “There are aviation fuels that are less polluting than the ones being used at the moment, and you can use elements of biofuel and chip fat and so on.

"Think about the scale that's required to do it.”There is another more unexpected way that airlines could reduce emissions. That is, making their flight paths more direct to reduce fuel consumption.Currently most planes fly on routes determined by a network of beacons, many of which were put in place decades ago. As a result they don’t always fly by the shortest route, but "airspace modernisation", as it is known, will allow for straighter paths to destinations.

Satellite technology is required to do this: aircraft flying over the Atlantic used to have to fly at least 40 miles apart, but the satellite technology means that aircraft can in theory fly as close as 14 miles apart, allowing more aircraft to fly on the direct flight paths.The Jet Zero Strategy estimates that this, together with other fuel efficiency improvements, could cut emissions by as much as 15% by 2050.

But the National Air Traffic Services (NATS), which control most flights in and out of England and Wales, caution that these changes are neither easy nor quick. “It's a very, very complicated thing to do,” warns Chris Norsworthy, director of future planning.

“The national infrastructure change of this type takes many years. The deployments we've made already are years in the making.”Tate had described women as "intrinsically lazy" and said there was "no such thing as an independent female".

The prosecution had suggested Clifford had been motivated by the same sort of "violent misogyny promoted by Tate".However, the defence argued this material had too vague a link and was far too prejudicial.

The judge agreed it was of limited relevance and of "great possible prejudice", and that it should not be put before the jury.The court heard Louise had told friends Clifford had a "nasty temper" and behaved in an "aggressive manner".