"Commercial aviation" refers to the operation of aircraft for business purposes, such as carrying passengers or goods, in exchange for payment or profit. Full definition
But ethanol will not work for the larger jumbo jets in commercial aviation because it does not pack enough power per gallon. (scientificamerican.com)
While shipping is slowly moving away from fuel oil towards substitutes such as natural gas, there's no obvious alternative to oil in sight for commercial aviation. (fortune.com)
This report develops a national research agenda for reducing CO2 emissions from commercial aviation. (nas-sites.org)