Below is all the information about the project: Efficient Aviation
Project Drawdown's Efficient Aviation solution focuses on using advanced aircraft technologies to reduce fuel consumption in single-aisle and twin-aisle aircraft, impacting both passenger and air freight flights. In 2018, aviation accounted for about 2.6% of global carbon dioxide emissions. Improving fuel efficiency per passenger-kilometer is crucial as air travel grows. The study examines current, impactful technologies while excluding experimental ones like aviation biofuels. Although freight-only aircraft efficiency is not analyzed, the study considers the impact of passenger aircraft on air freight, as about 52% of air freight is carried in passenger aircraft. Future advancements in airplane design and sustainable fuels may further reduce emissions from air travel.
This analysis focuses on adoption of the latest and most fuel-efficient aircraft; retrofitting existing aircraft with winglets, newer engines, and lighter interiors; and retiring older aircraft early. Over 30 years, and for a net first cost of US$3.47-3.79 trillion, we could avoid 5.29-5.82 gigatons of carbon dioxide equivalent emissions and save $1.59-2.24 trillion in lifetime jet-fuel and operating costs. Other efficiency measures could further reduce emissions and increase savings as over 80 percent of aircraft are converted.
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