Research on nanoparticle emissions from vehicles is still in the academic domain. This is largely because the uncertainty over formation of nanoparticles and their measurement methods. As a
Improved engine technology and fuel quality has thus created a new debate. “Ironically, particle control regulations may have made the situation worse,” points out Wexler, referring to increased
Nanoparticles, as tiny as a billionth of a metre, pose a challenge to scientists and regulatory authorities alike. It may also be a huge health problem, says CHANDRACHUR GHOSE