Member states of the European Union on Monday approved a new law that will tighten limits on carbon dioxide (CO2) emissions from heavy-duty road vehicles, like lorries and buses. The forthcoming law will extend rules currently governing heavy goods lorries to encompass urban buses, coaches and trailers. Average CO2 emissions for large road vehicles would have to fall 45% by 2030, 65% by 2035 and 90% by 2040, compared to 2019 levels. Urban buses would have to emit no CO2 at all by 2040, and meet a 90% reduction target by 2030. The limits were provisionally agreed in January by Belgium, acting o…