EV charging glossary
Emissions & gases
NOx
NOx means nitrogen oxides, principally nitric oxide and nitrogen dioxide in road-vehicle exhaust and air-quality regulation. They form during high-temperature combustion and contribute to air pollution. NOx is not another name for nitrous oxide, N2O. Nitrous oxide is a different compound and a greenhouse gas. Battery electric vehicles have no tailpipe NOx emissions because they have no combustion exhaust. NOx can still arise elsewhere in the wider energy and industrial lifecycle. O