How airlines are working to create sustainable fuel to reduce aviation's carbon footprint 

Memorial Day weekend is the unofficial start of the summer travel season and that means a lot of driving and flying. When discussing greenhouse gas emissions, the focus is usually on cars and trucks since they generate the most. But the aviation sector is under pressure to reduce its carbon footprint. Science correspondent Miles O'Brien looks at efforts to create greener fuels for the skies.
Stream your PBS favorites with the PBS app: to.pbs.org/2Jb8twG
Find more from PBS NewsHour at www.pbs.org/newshour
Subscribe to our RU-vid channel: bit.ly/2HfsCD6
Follow us:
TikTok: www.tiktok.com/@pbsnews
Twitter: newshour
Instagram: newshour
Facebook: www.pbs.org/newshour
Subscribe:
PBS NewsHour podcasts: wwwx.pbs.org/newshour/podcasts
Newsletters: www.pbs.org/newshour/subscribe