rocket fuel

Depending on the type of rocket fuel used, launches produce nitrogen oxides, chlorine, black carbon particles, water vapor, carbon monoxide and carbon dioxide — and no propellant avoids creating of some kind of emissions.

To openly criticise her own party's candidate for chancellor – just weeks out from an election – is a big move and will add rocket fuel to a an already explosive story in German politics.

Those astronauts will need oxygen to breathe but also to make rocket fuel for spacecraft that might launch from the moon and head to destinations further afield – including Mars.

This is like rocket fuel for hurricanes, supercharging them into the Category 5 storms Helene and Milton became.

Luke says what happened in Madrid was "rocket fuel" for a drug addiction he later developed.