ScienceNASA Investigates Alternative Fuels That Promotes Cleaner Contrails NASA's alternative fuel study shows aircraft contrails can reduce environmental impact by 70%. NASA has revealed that it is investigating alternative fuels that produce cleaner contrails.by Sophie Webster
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ScienceScientists: Halve World's Carbon Dioxide Emissions Each Decade Starting 2020 To Combat Warmingby Antonio Manaytay
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