Travelers from Los Angeles to San Francisco will have a lower carbon footprint this fall. Many other flights could soon follow.
If you happen to get on a United flight from Los Angeles to San Francisco this fall, you might be traveling on leftovers from the farm. The airline will be the first in the country to start flying regular passenger flights on alternative jet fuel—in the case, made from a mix of non-edible oils and agricultural waste blended with traditional fuel.