this is literally how Ford marketed their PZEV (practically zero emissions vehicle) cars around 2003. https://www.latimes.com/archives/la-xpm-2004-jun-09-hy-nei

this is literally how Ford marketed their PZEV (practically zero emissions vehicle) cars around 2003. https://www.latimes.com/archives/la-xpm-2004-jun-09-hy-neil9-story.html#:~:text=PZEV%20vehicles%20actually%20pollute%20less,air%20sucked%20into%20the%20engine. https://www.latimes.com/archives/la-xpm-2004-jun-09-hy-neil9...