Ingesting this slower air allows an engine to burn its fuel more efficiently while generating the same amount of thrust.

ECONOMIST: The aircraft of the future

One example: the chairman recently ordered retraining for a senior captain who mistook excess fuel burn for an engine fire, resulting in a 34-hour flight delay.

CNN: How to Repair a Carrier

The rocket was intended to lift the satellite into an orbit 35, 696 kilometers above the earth, but during its final burn, the upper stage engine shut down four minutes early, and the satellite was released into too low of an orbit.

FORBES: Another Russian Rocket Misses The Target

If drivers of premium-required cars try to burn regular gas, they could damage their engine due to high exhaust-gas temperatures and knocking.

FORBES: Do You Really Need Premium Gas?

There is, however, an alternative: burn the hydrogen in a conventional internal-combustion engine.

ECONOMIST: Hydrogen-powered cars