In 2019, the World Health Organization reported that India had 13 of the world's 20 most polluted cities. Although emission standards for diesel engines and generator sets was set in 2004, as recently as 2014 these standards were modified to be more stringent in an attempt to address the continued high levels of air pollution. Following these changes, the India Supreme Court began cracking down on Delhi generator pollution and frequently puts in place emergency orders to address dangerous levels of pollution.
Similar to the Clean Air Act of the 1990's national impact on diesel engine regulation and creating the eventual establishment of the regulatory tiers the industry lives with today, changes to vehicle emissions is being driven by California.
As California utilities halted service to more than 2 million people last year, lines formed at hardware stores selling portable generators and many hospitals and businesses fired up their own. The prospect of the increased emissions from untold numbers of the machines, was troubling in a state already burdened with some of the nation’s worst air quality.
According to a recent researcher's report in the online journal Nature Communications, soot breathed in by pregnant women can make is way far past their lungs, all the way into the womb surrounding their developing baby.
The Green Energy Institute released A new report titled Deconstructing Diesel: A Law & Policy Roadmap for Reducing Diesel Emissions in the Portland Metropolitan Area which offers a road map for reducing diesel pollution in the Portland metro area.