“One size fits none” – bolt-on NG devices have significant pitfalls

UPDATED: Adds Westport comments

Commercial vehicle (CV) fleets could save on both money and time if they choose to retrofit their existing vehicles with natural gas (NG) systems, whilst also meeting forthcoming legislative emissions requirements. However, it is vitally important not to opt for a ‘bolt-on’ NG solution, according to North American Repower (NAR).