1839 - William Grove Invents the "gas battery". the first fuel cell

1889 - Charles Langer and Ludwig Mond develop Grove's invention and name the fuel cell

1950s - General Electric invents the proton exchange membrane fuel cell

1960s - NASA first uses fuel cells in space missions

1970s - The oil crisis prompts the development of alternative energy technologies

1980s - US Navy uses fuel cells in submarines

1990s - Large stationary fuel cells are developed for commercial and industrial locations

1999 - Europe's first public commercial hydrogen fuel station for cars and trucks opened for business in Hamburg, Germany

2009 - Residential fuel cell micro-CHP units become commercially available in Japan. Thousands of portable fuel cell battery chargers are sold