When Honda introduced the first hydrogen fuel cell vehicle in the United States in 2002, 

the vehicle had received full federal safety certification. 

Subsequently, the manufacturer has introduced two 

additional fuel cell vehicles and is now introducing the CR-V e:FCEV, the first of its 

kind to be manufactured in the United States and arguably the most practical of them all. 

which hydrogen and oxygen combine to generate water and an electrical current suitable for driving a drive motor or any other device.