Efforts to bring cleaner, safer trucks to the road have been a demonstrable success. Figures from Roland Berger show that in the USA, between 2003 and 2013, there was a 21% fall in truck-related fatalities worldwide, and overall max limits on nitrogen oxide emissions (NOx) fell by 95%. The introduction of next-generation powertrains, reduced rolling resistance tyres and advanced aerodynamics have also contributed to efficiency gains.
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