Westport Fuel Systems Inc, formerly Westport Innovations Inc, is a Canada-based provider of low-emission engine and fuel system technologies utilizing gaseous fuels. It operates through the Westport Operations segment. The Westport Operations segment designs, manufactures and sells compressed natural gas, liquefied natural gas, and liquefied petroleum gas components and systems to original equipment manufacturers and to aftermarket customers. Its subsidiaries design and manufacture a range of components, including pressure regulators, injectors, electronic control units, valves and filters; sell mono-fuel, bi-fuel and dual-fuel diesel blend conversion kits, and also offer full engine management systems and solutions. The Westport Operations segment has a customer base in Europe and North America, as well as in Asia, South America, and Africa.