Column: Hydrogen fuel cells gaining momentum

In the coming decade, investors are betting that hydrogen will become a prominent fuel which can eliminate CO2 discharges from the vehicles it energizes.

According to the U.S. Energy Information Administration (EIA) the transportation sector has dominated the growth in U.S. carbon dioxide emissions since 1990, accounting for 69 percent of the total increase.

It is important that hydrogen technology advances rapidly because cars, trucks and buses are a growing contributor to greenhouse gas buildups in our atmosphere. For example, Seattle-based Amazon alone doubled its truck fleet to 20,000 in j...