The Atlanta-based airline announced the launch of TakeOff 15: a 15% discount on all award travel for cardholders at any time.   15% Discount Automatically Applied to Itineraries for American Express Cardholders While it’s no secret that American Express and Delta have a lucrative partnership (valued in the billions …

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  United, energy infrastructure company Tallgrass and biorefinery Green Plains Inc. have revealed a joint venture – Blue Blade Energy – to develop a new type of Sustainable Aviation Fuel (SAF) technology that relies on ethanol as its feedstock.   The Technology Behind the New Fuel If the technology behind …

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