Fossil fuel

January 4, 2012 - 1:50am

With advocacy groups demanding cleaner air and governments passing more and more stringent engine emissions requirements, aviation has been taking a beating as a prime offender in creating carbon emissions.

November 6, 2006 - 5:22am

NASA has been studying various types of emissions from commercial aircraft to develop ways to reduce emissions and protect the environment. In recent years, fine-particle emissions from aircraft have been identified as possible contributors to global climate changes and to lower local air quality.