The global oil crisis is proving the case for sustainable aviation

As the conflict in Iran strains the world’s oil supplies, a lot of attention has focused on gasoline: Average gas prices have increased more than a dollar a gallon since the war began, exceeding $4 a gallon for the first time in four years. But vehicle travel isn’t the only type of transportation affected. Jet fuel prices have roughly doubled in that same time frame. In March, U.S. airlines spent 56% more on fuel as compared to February, per Bureau of Transportation Statistics. When it com...