There are only three viable paths toward carbon neutrality for airlines. And no, switching to electric-powered planes is not one of those viable paths.
Battery technology today is likely 50 years or more away from being able to power even a relatively small Boeing 737-sized jetliner on a short domestic route. Even then, the electricity used to charge such enormous batteries would have to come from power generation stations that likely would emit significant amounts of CO2.
The second option will require enormous technical advancements, huge financial investments by third parties, and complex regulatory action on a global scale. Alternative fuels, typically made from non-carbon sources like animal and plant fats, are a popular alternative - at least in the minds of those not knowledgeable about either technical aircraft operations or the relationship between the atmosphere’s composition and Earth’s vegetation.
Beyond that, there are significant issues to be dealt with related to the acquisition of feed stocks for alternative fuels. Using palm oil, currently a popular feed stock, is believed by many to be a significant factor in deforestation. Algae, which once looked promising, is just too hard and too expensive to grow in the quantities required. Wild grasses, wood chips, animal waste, and the carcasses of animals killed for their meat in slaughterhouses all are viable sources of feed stock.
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