Fire officials are eyeing the electric vehicle, capable of vertical takeoff and landing, for possible use by paramedics to ...

San Bernardino County fire officials tested a lightweight, battery-powered aircraft that could speed up emergency response in ...

Zero-emissions vehicles have higher sticker prices than cars and trucks with internal combustion engines, but Helix officials believe that in the long run, the costs to ratepayers will even out.

The Helix’s predecessor, the BlackFly, served as a prototype and development vehicle; both vehicles share the same core aerodynamic design, footprint, and fly-by-wire controls.

The $11 million project does not include the cost of buying the EVs that will gradually blend into the Helix fleet. Zero-emissions vehicles have higher sticker prices than cars and trucks with ...