Boeing says it will make planes able to fly on 100% biofuel by 2030

Aviation giant already staged the world's first commercial flight using 100% biofuel in 2018

Boeing says it will begin delivering commercial airplanes capable of flying on 100% biofuel by the end of the decade, calling reducing environmental damage from fossil fuels the challenge of our lifetime."

Boeing's goal - which requires advances to jet systems, raising fuel-blending requirements, and safety certification by global regulators - is central to a broader industry target of slashing carbon emissions in half by 2050, the US planemaker said.