WEH has been a pioneer in the field of alternative fuels since 1986. It laid the foundation for the worldwide NGV1 standard by developing a complete range of products for NGV refueling—from receptacles, coalescent filters, and check valves in vehicles to fueling nozzles, filling hoses, breakaway-couplings, and filters for fueling stations with applicable NGV1 certification. Currently WEH is a leading manufacturer of CNG and hydrogen refueling solutions and partner of many automotive manufacturers. Its patented products are ideally suited for self-service operation.