Though the commercial vehicle sector is expected to stick with fossil fuels to some degree for many years yet, it is still a sector undergoing significant change. Take the US market as an example, and in particular California’s bullish outlook. With regulators looking to drop engine-out NOx limits to just 0.02g/bhp-hr by 2027—compared to the 0.5g/bhp-hr limit imposed by the region’s 2010 initiative—players will be expected to clean up fleets rapidly. Although plenty of companies are working on suitable green technology, the transition will not be easy on all fronts….