![Guy Negre, head of French company MDI enterprises s.a, presents at the Paris Auto show, September 27, 2002, this small city car which runs entirely on compressed air. After eight years of Guy Negre, head of French company MDI enterprises s.a, presents at the Paris Auto show, September 27, 2002, this small city car which runs entirely on compressed air. After eight years of](https://c8.alamy.com/compfr/2d4gfn3/guy-negre-head-of-french-company-mdi-enterprises-s-a-presents-at-the-paris-auto-show-september-27-2002-this-small-city-car-which-runs-entirely-on-compressed-air-after-eight-years-of-research-and-development-and-15-million-euros-15-million-dollars-investment-the-company-presents-the-citycat-cat-for-compressed-air-technology-producing-zero-pollution-2d4gfn3.jpg)
Guy Negre, head of French company MDI enterprises s.a, presents at the Paris Auto show, September 27, 2002, this small city car which runs entirely on compressed air. After eight years of
![Guy Negre, head of French company MDI enterprises s.a, presents at the Paris Auto show, September 27, 2002, this small city car which runs entirely on compressed air. After eight years of Guy Negre, head of French company MDI enterprises s.a, presents at the Paris Auto show, September 27, 2002, this small city car which runs entirely on compressed air. After eight years of](https://l450v.alamy.com/450vfr/2d453bt/guy-negre-head-of-french-company-mdi-enterprises-s-a-presents-at-the-paris-auto-show-september-27-2002-this-small-city-car-which-runs-entirely-on-compressed-air-after-eight-years-of-research-and-development-and-15-million-euros-15-million-dollars-investment-the-company-presents-the-citycat-cat-for-compressed-air-technology-producing-zero-pollution-2d453bt.jpg)
Guy Negre, head of French company MDI enterprises s.a, presents at the Paris Auto show, September 27, 2002, this small city car which runs entirely on compressed air. After eight years of
![MDI Guy Nègre : des AirPod chez Air France - Bouffée d'oxygène pour le moteur à air comprimé - Challenges MDI Guy Nègre : des AirPod chez Air France - Bouffée d'oxygène pour le moteur à air comprimé - Challenges](https://www.challenges.fr/assets/img/2011/02/14/cover-r4x3w1200-579c33bec3668-mdi-guy-negre-des-airpod-chez-air-france-bouffee.jpg)