installed it director for devices and diesel generators in big companies and private households lawyer joe di sagal chuck the shield installed in a large office building he owns in delhi he hopes his example will encourage others . in august of 2007 that we had. in store here in this building and that was the 1st installation in brooklyn we have for. 125. so it all adds up to something like $500.00 a year and then just one installation now the point is that with one installation you cannot have any discernible changes that you can see this is has to be adopted more widely. in late 2019 the supreme court mandated and mom and pollution prevention and control authority directed a ban of diesel generators during the winter months in the national capital region and its surrounding areas an indication of how urgent the problem is retrofitted devices like joxer shield however are only one part of the solution to meet the target of the national clean air programme which is reducing particulate matter levels by 30 percent by 2024 daily needs many many more innovations. carbon dioxide is the 4th most abundan