Southwest Airlines is supporting the US Department of Energy’s National Renewable Energy Laboratory (NREL) to develop commercially viable and scalable sustainable aviation fuel (SAF). Southwest has undertaken multiple efforts over the years to minimize its carbon footprint and the company states that it continues to seek opportunities to help mitigate emissions. NREL presents one of those opportunities, as Southwest intends to continue to support NREL’s work to develop low-carbon, low-cost, high-performance aviation fuels created from wet waste. Southwest plans to work with NREL to bridge a gap between the science behind SAF and the application of these sustainable fuels on