According to a recent report from Navigant Research, worldwide sales of light-duty natural gas vehicles (NGVs) will grow from 2.5 million annually in 2014 to 4.2 million in 2023.
As a result, the total number of NGVs on roads worldwide will approximately double to nearly 40 million in the next 10 years, accounting for 2.6% of all vehicles on the roads.
