By Stephen Edelstein, Green Car Reports.

Electric-car drivers can rely on several different locator apps to find nearby public charging stations as they travel.

While only a handful of public hydrogen fueling stations are operational at the moment, drivers of fuel-cell cars now have their own station-tracking app as well.

Hydrogen-infrastructure company Air Liquide launched the new app over the weekend, as part of the National Hydrogen and Fuel Cell Day event to promote fuel-cell vehicles.