it is popular because the group which owns aer lingus, - you like. because the i group which owns aer lingus, british airways and iberia bought 28,000 tonnes of the stuff in spain recently but it is expensive. it is exnensive _ recently but it is expensive. it is exnensive and — recently but it is expensive. it is expensive and the _ recently but it is expensive. it 3 expensive and the price will recently but it is expensive. it 1 expensive and the price will come down over time but it significantly more expensive than regular fuel and is the closest thing at the moment that the airline industry has to a silver bullet for reducing emissions but it is a huge challenge to expect we will have enough in time. this year sustainable aviation fuel will count for about 0.5% of all aviation fuel and the goal in the eu is to reach 70% by 2050 so there is a huge scale up needed. reach 70% by 2050 so there is a huge scale up needed-— scale up needed. what are the silver bullets that can _ scale up needed. what are the silver bullets that can reach _ scale up nee

it's popular, isn't it, because the iag group, which owns aer lingus, british airways and iberia, boughtuff in spain recently? but it is expensive, isn't it? it is expensive. the price will come down over time, but it is significantly more expensive than regular fuel, and it is the closest thing at the moment that the airline industry has to a silver bullet for reducing its emissions. but it's a huge challenge to expect that we will have enough in time. this year for sustainable aviation fuel accounted for about 0.5% of all of the aviation fuel. it's tiny. and the goal, for example, in the eu is to reach 70% by 2050. so there's a huge scale up needed. so in the aviation industry, briefly, what else are the silver bullets that can reach net—zero, virgin pledging to reach net zero by 2050. the sustainable aviation fuel is the closest thing we have. the big challenge for the industry is its continuing to grow all the time, so it's chasing a moving target to a large extent. we can expect electric aircraft, hydrogen, more efficient operations and so on. but the saf is going to be the the bigg