“Waste” biodiesel from corn oil probably drives up corn production and could have resulted in 500 thousand extra tonnes of CO2e emissions in 2017.
Airlines are expected to achieve their goal of an average improvement in fuel efficiency of 1.5% per year.
Finding the lowest carbon flight for a specific trip is more complicated than simply choosing the most fuel-efficient carrier.
Although touted by some as necessary to decarbonize the aviation sector, logistics are still an issue for alternative jet fuels.
Government grant and loan guarantees, not the Renewable Fuel Standard, have been essential in spurring progress in the cellulosic biofuel industry.
Bioenergy has become a popular decarbonization strategy to reduce greenhouse gas (GHG) emissions. However, even if bioenergy production is maximized, competition across industry sectors is high.