Suppliers like T. Boone Pickens' Clean Energy Fuels, Royal Dutch Shell and China's private ENN Group are scrambling to build natural gas fueling stations along U.S. highways, while Cummins-Westport Inc will begin later this year selling a 12- liter natural gas engine able to power the biggest trucks on the road.
LOS ANGELES, March 14- ENN Group Co Ltd, one of China's largest private companies, is quietly rolling out plans to establish a network of natural gas fueling stations for trucks along U.S. highways.