Known as Sustainable Aviation Fuels (SAF), these propellants come from tallow, recycled oils and biomass-derived sugars and ethanol. To gain certification, they must avoid agriculturally derived ...

The plane carried 60 passengers and four crew. Three soldiers were aboard the helicopter. “We don’t believe there are any survivors,” said John Donnelly, the fire chief in the nation’s ...

60 passengers and four crew members were onboard during the collision that sent both aircraft crashing into the Potomac River. The Army said three soldiers were onboard the helicopter that was on ...