Westport Innovations Inc. provides low-emission engine and fuel system technologies utilizing gaseous fuels. The company’s technology and products enable light, medium, heavy-duty, and high horsepower petroleum-based fuel engines and vehicles to use primarily natural gas and alternative fuels. It designs, manufactures, and sells compressed natural gas, liquefied petroleum gas, and liquefied natural gas (LNG) components and subsystems to original equipment manufacturers. The company also designs and manufactures a range of components, such as pressure regulators, injectors, electronic control units, valves, and filters; sells monofuel, bi-fuel, and dual-fuel diesel blend conversion kits; and offers engine management systems and solutions. In addition, it engineers, designs, assembles, and sells natural gas engine and vehicle systems for automotive, light commercial, and trucking applications; and provides aftermarket conversion products, alternative fuel systems, and application engineering services. Further, the company offers LNG products for fuel in large and off-road engine applications, including rail, mining, marine, and oil and gas; industrial engines for material handling; and products for forklift and oilfield applications. Additionally, it provides engines for use in transit, school and shuttle buses, conventional trucks and tractors, and refuse collection trucks, as well as specialty vehicles, such as short-haul port drayage trucks and street sweepers; and develops, manufactures, and sells alternative fuel engines and parts that are used in city bus, coach, and heavy-duty truck applications. The company was founded in 1995 and is headquartered in Vancouver, Canada.