Home Sustainable Aviation Fuel Less waste, greener skies: Reducing the environmental impact of flying Less waste, greener skies: Reducing the environmental impact of flying 31 Aug 2019 | Hybrid AircraftNewsSustainable Aviation Fuel Less waste, greener skies: Reducing the environmental impact of flying SINGAPORE: If you’re a regular flier with Singapore Airlines (SIA), you may have noticed that salt and pepper packets are no longer included in …