International Airlines Group (IAG), the parent company of airlines including Aer Lingus, British Airways, Iberia, Vueling and LEVEL, announced today its largest Sustainable Aviation Fuel (SAF) purchase agreement to date for nearly 1 billion liters of SAF, with Twelve, a company that produces a synthetic aviation fuel made from CO2, water, and renewable energy known as e-SAF. Founded in 2015,…