China is the largest market for new light- and heavy-duty vehicles. Seven of the world’s 10 largest container ports are in China. The nation’s industrial dynamism has also created some of the world’s worst air-quality issues and made China the world’s biggest carbon emitter. Policymakers have responded with stringent, innovative regulations, and China is moving into a leadership role in transport climate policy. The ICCT’s China staff supports effective regulation of emissions in the transport sector and works to provide officials with sound, reliable technical and scientific data.