Learning from best practices in supply-side regulations for heavy-duty vehicles

Heavy-duty vehicles (HDVs) are the second-largest source of greenhouse gas emissions in the transport sector and the leading contributors to air pollutants like particulate matter and nitrogen oxide. As zero-emission HDV technology matures, supply-side regulations (SSRs) have emerged as a key policy tool to mitigate climate and air quality impacts. A recent ICCT research brief …