Aviation: Hybrid-electric plane could reduce NOx emissions by 95 per cent, MIT engineers claim 

Inspired by the emissions scrubbers used in diesel trucks, the aircraft concept from the Massachusetts Institute of Technology could cut premature deaths from NOx pollution by 92 per cent. https://www.dailymail.co.uk/sciencetech/article-9150973/Aviation-Hybrid-electric-plane-reduce-NOx-emissions-95-cent-MIT-engineers-claim.html?ns_mchannel=rss&ns_campaign=1490&ito=1490