Sellbyville, DE -- (SBWIRE) -- 05/10/2019 -- Heavy-Duty Trucks Market for Natural gas segment is projected to witness a significant growth owing to lower fuel cost and reduced exhaust emissions. Utilization of natural gas in transit buses, refuse haulers, and commercial trucks coupled with stringent emission norms pertaining to emissions and efficiency from such vehicles are further expanding the segment share over the study timeframe. Improving natural gas infrastructure along with expanded network of fueling stations are further providing a positive outlook for the market penetration.