ALICE

As it edges towards the first flights for its Alice aircraft, Eviation has finally unveiled what it says is the production version of its all-electric nine-seater, with the first test flights now slated for later in the year.

A new type of propellant made of a mixture of water and “nanoscale aluminum” powder could provide a more environmentally friendly way to launch rockets into orbit.

NASA successfully launches rocket using a safer, eco-friendlier alternative fuel.