
The air show here can often feel like aviation’s World Cup, with makers of jet fighters, commercial aircraft, helicopters and private planes from around the globe vying for bigger-faster-stronger bragging rights.
Aircraft makers are trying to bolster their green credentials. Boeing’s exhibit features algae, a possible feeding ground for a fuel substitute.
But the high price of oil has led to a new marketing approach this year, and there is a ready audience for it, as fuel costs have hurt airlines around the world, including Delta and American, which reported steep quarterly losses Wednesday .
Manufacturers are trying to bolster their green credentials by playing down the importance of speed and lauding initiatives to reduce the environmental impact of flying, as well as the cost.
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