It is not clear what will be the catalyst for the fundamental skepticism of Europe's latest efforts to re-emerge as the key driver.

The main reason we didn't expect a whole lot from the driver was because the Catalyst team has probably no doubt been working hard on creating a stable driver for the HD 5970.

In the fuel-cell, hydrogen and oxygen mix in the presence of catalyst to create electricity that drives engine of car and so on, and the water vapor is the only emission.