Not looking to be left out of the biofuel party, Air Canada is the latest to try out the eco-friendly alternative for its jet engines. An Airbus A319 will make the outfit's pseudo-sustainable flight from Toronto to Mexico City powered by a 50 / 50 mixture of the aforementioned material and regular ol' jet fuel. This particular blend is derived from recycled cooking oil and meets all standards to avoid any modifications to the aircraft's existing systems -- while still offering a 40 percent cut in emissions. In addition to green-powered trips, the airline is implementing several other measures to improve its impact on
