decade

That means a great deal is being expected from "sustainable aviation fuels" or SAF over the coming decades.

But experts have cautioned that finding the causes of autism - a complex syndrome that has been researched for decades - would not be simple.

It’s a luxury he has come to appreciate after living in a studio apartment in New York for a decade.

As a child, Alonzo’s family squatted in an abandoned diner; now, after decades of hard work, she can put her bills on autopay.

Taken together the party claims their plans would save £234bn over several decades, though this figure is contested.