from Reuters: Environment https://reut.rs/2WwCu2T
Wednesday, May 29, 2019
Hydrogen-powered flying vehicle touted as Southern California traffic tonic
Developers of a multi-rotor hover craft billed as the first flying vehicle to be powered by hydrogen fuel cells unveiled a full-scale model on Wednesday in Southern California, in a show-and-tell that raised some eyebrows but never left the ground.
from Reuters: Environment https://reut.rs/2WwCu2T
from Reuters: Environment https://reut.rs/2WwCu2T
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U.S. EPA receives 52 new petitions for retroactive biofuel blending waivers
The U.S. Environmental Protection Agency has received 52 new petitions for retroactive biofuel blending waivers that, if granted, would help...
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