Westport has developed technologies to allow high-performance, fuel-efficient internal combustion engines and fuel systems to run on gaseous fuels such as natural gas, biomethane, and hydrogen. Westport works with global automotive leaders to incorporate its technologies into their engines and to explore future commercial opportunities for clean vehicles. The Westport group of companies has sold over 32,000 natural gas and propane engines to customers in over 20 countries.

You can find more information about Westport at their website.