He then looked right at me, his eyes burning with a mixture of tongue-in-cheek danger and mock fear, masking what I can now only imagine as disbelief.

NPR: Marshall Chapman: 'Goodbye, Little Rock and Roller'

The engines increase airflow, creating a more complete burning of the air-fuel mixture--and a more powerful vehicle.

FORBES: Magazine Article

Meanwhile, other completely different approaches involve burning coal in pure oxygen (oxyfuel), or turning it into a mixture of carbon monoxide and hydrogen, which is then burned.

BBC: Whatever happened to carbon capture?