CNG-powered car sales set to increase as automakers face tougher emissions rules

CNG-powered car sales set to increase as automakers face tougher emissions rules https://ift.tt/2Kxhhg8 demand for cars powered by compressed natural gas has shown signs of life after a half-decade slump. VW Group was the main driver of the 60 percent increase in CNG registrations in Europe in the first quarter.