Southwest Inks 20-Year Jet Fuel Deal in Quest to Go Green (1)

Southwest Airlines Co. said it has forged a two-decade agreement to buy as much as 680 million gallons of renewable jet fuel, part of the US carrier’s goal of slashing climate-polluting emissions.

The sustainable aviation fuel, or SAF, will be sold by Arizona-based USA BioEnergy LLC starting as early as 2028, Southwest said in a statement. USA BioEnergy is working to build a $2 billion-plus plant in Texas to make green jet fuel from wood waste, the company’s chief executive, Nick Andrews, said in an interview.

Pressure for US airlines to become more climate-friendly has been ratcheting up, including ...